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New limited-time offers. Delta Airlines American Express cards offer various special perks like free checked bags, priority boarding, and the ability to earn Delta SkyMiles with card purchases. As you can only get the welcome offers once per specific card name per person per lifetime (a Gold and Platinum card are considered different), I recommend waiting until a limited-time offer to maximize your benefit. I recommend the Gold card as the first sweet spot for many casual travelers, as it currently offers a $900 potential first-year value with no annual fee the first year, along with a free checked bag benefit. Details:

Delta SkyMiles® Gold American Express Card

• Up to 90,000 Bonus Skymiles. 70,000 bonus miles after you spend $3,000 or more in purchases with your new Card within the first 6 months of Card Membership and an additional 20,000 bonus miles after you make an additional $2,000 in purchases within the first 6 months, starting from the date your account is opened. Offer Ends 4/1/2026.
• $200 Delta Flight Credit. Get a $200 Delta Flight credit to use toward future Delta travel after $10,000 in purchases on your card within a calendar year.
• $100 Delta Stays Credit. Get up to $100 back annually as a statement credit after using your Delta SkyMiles(R) Gold American Express Card to book prepaid hotels or vacation rentals through Delta Stays on delta.com.
• First checked bag free (worth $70 roundtrip, per person) on Delta flights. This perk is worth up to $280 per round trip for a family of four ($35 each way, per person).
• 15% off discount on Award Travel booked through delta.com and the Fly Delta app. Applies to Delta flights only, not applicable to partner-operated flights or taxes and fees.
• Zone 5 Priority Boarding.
• 2X miles at Delta purchases, at U.S. Supermarkets and at restaurants worldwide, including takeout and delivery in the U.S. Earn 1 miles per dollar spent on all other eligible purchases.
• Simplified Pay with Miles option. Take up to $50 off the cost of your flight for every 5,000 miles you redeem with Pay with Miles when you book on delta.com.
• 20% back on eligible Delta in-flight purchases with this card in the form of a statement credit .
• No Foreign Transaction Fees.
• $0 introductory Annual Fee for the first year, then $150.

90,000 Skymiles is worth at least $900 in Delta airfare. Delta offers a minimum value out of your Skymiles via the “Pay with Miles” option. For example, that means 50,000 Skymiles can reduce the price of your Delta ticket(s) by $500 at the very least. (5,000 mile = $50 minimum redemption.) You can still search and book traditional award tickets and possibly get better value.

Delta SkyMiles® Platinum American Express Card

• Limited-time offer: Up to 100,000 Bonus Miles 80,000 bonus miles after you spend $4,000 or more in purchases with your new Card within the first 6 months of Card Membership and an additional 20,000 bonus miles after you make an additional $2,000 in purchases within the first 6 months, starting from the date your account is opened. Offer Ends 4/1/2026.
• $2,500 Medallion(R) Qualification Dollars with MQD Headstart each Medallion Qualification Year and earn $1 MQD for each $20 in purchases on your Delta SkyMiles(R) Platinum American Express Card with MQD Boost to get closer to Status next Medallion Year.
• $150 Delta Stays Credit. Get up to $150 back annually on eligible prepaid hotels or vacation rentals through Delta Stays on delta.com.
• $120 Resy Credit. Get up to $10 in statement credits each month after you pay with your enrolled Delta SkyMiles(R) Platinum American Express Card to dine at U.S. Resy restaurants or make other eligible Resy purchases. Enrollment required.
• $120 Rideshare Credit. Up to $10 back in statement credits each month on U.S. rideshare purchases with select providers using your Delta SkyMiles(R) Platinum American Express Card. Enrollment is required.
• 15% off discount on Award Travel booked through delta.com and the Fly Delta app. Applies to Delta flights only, not applicable to partner-operated flights or taxes and fees.
• Up to $120 Global Entry Fee Credit. You can get either a $120 statement credit every 4 years for a Global Entry application fee or a statement credit up to $85 every 4.5 years for a TSA PreCheck(R) (through a TSA official enrollment provider) application fee, when charged to your Delta SkyMiles(R) Platinum American Express Card. Card Members approved for Global Entry will also receive access to TSA PreCheck at no additional cost.
• Companion Certificate benefit. Enjoy a Companion Certificate on a Delta Main round-trip flight within the U.S. and to Mexico, the Caribbean, or Central America each year after renewal of your Card. The Companion Certificate requires payment of government-imposed taxes and fees of between $22 and $250 (for itineraries with up to four flight segments). Baggage charges and other restrictions apply. Delta Basic experiences are not eligible for this benefit.
• First checked bag free (worth $70 roundtrip, per person) on Delta flights. This perk is worth up to $280 per round trip for a family of four ($35 each way, per person).
• Receive Zone 5 Priority Boarding on Delta flights; board early, stow your carry-on bag and settle in sooner.
• 3X Miles on Delta purchases and purchases made directly with hotels.
• 2X Miles at restaurants worldwide including takeout and delivery in the U.S., and at U.S. supermarkets.
• 1X Miles on all other eligible purchases.
• No Foreign Transaction Fees.
• $350 annual fee.

The Platinum version can be a worthy upgrade from the Gold version if you can take advantage of the added perks including Resy/Rideshare credits and especially the annual Main Cabin Companion Certificate (i.e. you plan to book two tickets together on Delta at least once a year). I’ve used it several times in the past and it is easy to use while booking tickets online at Delta.com. My savings from using the Companion Certificate for Delta Main has exceeded $500.

100,000 Skymiles is worth at least $1,000 in Delta airfare. Delta offers a minimum value out of your Skymiles via the “Pay with Miles” option. For example, that means 50,000 Skymiles can reduce the price of your Delta ticket(s) by $500 at the very least. (5,000 mile = $50 minimum redemption.) You can still search and book traditional award tickets and possibly get better value.

Updated for 2026. Tax time is here again, and if you earned interest from a money market fund, a significant portion of this interest may have come from “US Government Obligations” like Treasury bills and bonds, which are generally exempt from state and local income taxes. However, in order to claim this exemption, you’ll likely have to manually enter it on your tax return after digging up a few extra details.

(Note: California, Connecticut, and New York exempt dividend income only when the mutual fund has met certain minimum investments in U.S. government securities. They require that 50% of a mutual fund’s assets at each quarter-end within the tax year consist of U.S. government obligations.)

Vanguard has recently released the U.S. government obligations income information for Tax Year 2025 [pdf] for all their funds, which states:

This tax update provides information to help clients properly report state and local tax liability on ordinary income distributions received from mutual fund investments in 2025.

On the next page, you’ll find a list of Vanguard funds that earned a portion of their ordinary dividends from
obligations of the U.S. government. Direct U.S. government obligations and certain U.S. government agency
obligations are generally exempt from taxation in most states.1

To find the portion of Vanguard dividends that may be exempt from your state income tax, multiply the amount of “ordinary dividends” reported in Box 1a of your Form 1099-DIV by the percentage listed in the PDF. Note that on the IRS Form 1099-INT, there is a special Line 3 that includes “Interest on US Savings Bonds & Treasury obligations”. However, for the Vanguard funds, they report on 1099-DIV and not 1099-INT. My Vanguard 1099-INT was all zeros.

For the default cash sweep Vanguard Federal Money Market Fund (VMFXX), this percentage was 66.61% in 2025. (For reference, it was 59.87% in 2024 and 49.37% in 2023.) Therefore, if you earned $1,000 in total interest from VMFXX in 2025, then $666.10 could possibly be exempt from state and local income taxes. If your marginal state income tax rate was 10% that would be a ~$67 tax savings for every $1,000 in total interest earned. For 2025, this fund DID meet the threshold requirements for California, Connecticut, and New York, which require that 50% of the fund’s assets at each quarter-end within the tax year consist of U.S. government obligations.

In comparison, the Vanguard Treasury Money Market Fund (VUSXX) had a GOI percentage of 100% in 2025. (For reference, it was 100% on 2024 and 80.06% in 2023.) If your marginal state income tax rate was 10% that would be a $100 tax savings for every $1,000 in total interest earned.

The total income return for Vanguard Federal Money Market Fund (VMFXX) was 4.22% and Vanguard Treasury Money Market Fund (VUSXX) was 4.23% over the 12-month period of 2025, meaning the pre-tax return was basically the same. This is why many people chose to manually buy VUSXX instead of the default settlement fund as it can earn you a higher after-tax interest rate.

(Why doesn’t Vanguard let you use VUSXX as your cash sweep? Most likely due to the many inflow and outflows of a cash sweep, those liquidity concerns make it hard to hold everything in Treasury bonds. I’m guessing that repurchase agreements are more liquid.)

The following Vanguard funds and ETF equivalents have 100% of their interest from US government obligations:

• 0-3 Month Treasury Bill ETF (VBIL)
• Ultra-Short Treasury ETF (VGUS)
• Short-Term Treasury Index Fund (VGSH, VSBSX)
• Intermediate-Term Treasury Index Fund (VGIT, VSIGX)
• Long-Term Treasury Index Fund (VGLT, VLGSX)
• Extended Duration Treasury Index Fund (EDV)
• Short-Term Inflation-Protected Securities
  Index Fund (VTIP, VTAPX)
• Inflation-Protected Securities Fund (VIPSX, VAIPX)

Note that several other Vanguard funds have a lower but nonzero percentage of dividends from US government obligations, including the popular Vanguard Target Retirement 20XX funds (up to 33-34% for Target Retirement 2020 and Target Retirement Income!). Definitely worth a closer look for residents with high state/local income tax rates, especially those closer to retirement (holds more bonds).

To obtain these tax savings, you’ll have to manually adjust your state/local income tax return. I don’t believe that TurboTax, H&R Block, and other tax software will do this automatically for you, as they won’t have the required information on their own. (I’m also not sure if they ask about it in their interview process. You may need to click on certain spot.) If you use an accountant, you should also double-check to make sure they use this information. Here is some information on how to enter this into TurboTax:

• When you are entering the 1099-DIV Box 1a, 1b, and 2a – click the “My form has info in other boxes (this is uncommon)” checkbox.
• Next, click on the option “A portion of these dividends is U.S. Government interest.”
• On the next screen enter the Government interest amount. This will be subtracted from your state return.

Standard disclosure: Check with your state or local tax office or with your tax advisor to determine whether your state allows you to exclude some or all of the income you earn from mutual funds that invest in U.S. government obligations.

[Image credit – Tax Foundation]

Vanguard just announced a new round of expense ratio drops spanning 53 funds (roughly 25% of them), totaling close to $250 million in fee reductions in 2026. See their press release and full list of changes. This comes almost exactly a year after their February 2025 cuts which spanned 87 funds with an estimated $350 in fee reductions that year.

Over the past two years, Vanguard has reduced fees on most of its fund lineup totaling nearly $600 million in savings for investors—Vanguard’s largest-ever two-year combined cost reduction. Vanguard’s product lineup across all asset classes and styles now has an average expense ratio of 0.06%, reinforcing the firm’s longstanding cost leadership position. These consistently low costs help investors keep more of their returns, contributing to stronger long-term performance.

Additional media coverage at the Wall Street Journal (gift article) and Morningstar.

At this point, most of their expense ratios are so low on their big funds that most individual investors won’t notice much of a difference. The largest index funds VTI, VXUS, BND are unchanged. Target Retirement funds are also unchanged. However, I do believe it is an important indicator that Vanguard is still lowering costs as their assets under management continue to grow.

As an individual investor, it’s also important to remember that costs matter and those costs directly affect performance. Jack Bogle was right in his past skepticism of ETFs in that over time, the group has grown to include a lot of complex, expensive options. While the overall, asset-weighted average expense ratio for ETFs has declined over time, the average fee of newly launched ETFs has actually increased. Be wary of all those new, fancy ETFs that make attractive promises like limited downside and extremely high dividend income. This “Boomer candy” almost always comes with a higher expense ratio, and I am willing to bet it will also end up with lower long-term returns. New tricks, same old story.

Personally, I note that the Vanguard 0–3 Month Treasury Bill ETF (VBIL) lowered its expense ratio from 0.07% to 0.06%. My current go-to is iShares 0-3 Month Treasury Bond ETF (SGOV), which is at 0.09%.

The 30-day median bid/ask spread on VBIL is now 0.01% of market price, meaning its liquidity is now basically on the same level as SGOV (also at 0.01%). I will probably start using VBIL instead of SGOV for the times when I want a short-term cash equivalent in a brokerage account. 0.03% is a small difference, but I gotta keep incentivizing those lower costs. Long live the Vanguard Effect!

Updated for 2026. As the brokerage 1099 forms for the 2025 Tax Year are coming out, here is a quick reminder for those subject to state and/or local income taxes. If you earned interest from a money market fund, a significant portion of this interest may have come from “US Government Obligations” like Treasury bills and bonds, which are generally exempt from state and local income taxes. However, in order to claim this exemption, you’ll likely have to manually enter it on your tax return after digging up a few extra details.

(Note: California, Connecticut, and New York exempt dividend income only when the mutual fund has met certain minimum investments in U.S. government securities. They require that 50% of a mutual fund’s assets at each quarter-end within the tax year consist of U.S. government obligations.)

Fidelity has released 2025 Percentage of Income from U.S. Government Securities [pdf]. Here are the results for the most popular core Fidelity money market funds:

• Fidelity® Treasury Only Money Market Fund (FDLXX, CUSIP 31617H300) – 98.67%.
• Fidelity® Government Money Market Fund (SPAXX, CUSIP 31617H102) – 50.90%. *Did not meet the minimum investment in U.S. Government securities required to exempt the distribution from tax in California, Connecticut, and New York.
• Fidelity® Government Cash Reserves (FDRXX, CUSIP 316067107) – 52.17%. *Did not meet the minimum investment in U.S. Government securities required to exempt the distribution from tax in California, Connecticut, and New York.
• Fidelity® Treasury Money Market Fund* (FZFXX, CUSIP 316341304) – 61.52%. *Did not meet the minimum investment in U.S. Government securities required to exempt the distribution from tax in California, Connecticut, and New York.

It is disappointing that SPAXX as a default cash sweep did not meet the requirements to exempt any of their interest from state income tax in California, Connecticut, and New York. They must have missed the 50% minimum cut-off in one of the four quarters of 2025.

This is why I mostly own FDLXX as my “pseudo-core” money market fund via automated recurring purchases. For more information on this “hack”, see my post Fidelity Treasury Only Money Market (FDLXX) as Fidelity Core Position Workaround.

To find the portion of Fidelity dividends that may be exempt from your state income tax, multiply the amount of “ordinary dividends” reported in Box 1a of your Form 1099-DIV by the percentage listed in the PDF. For example, if you earned $1,000 in total interest from Fidelity Treasury Only Money Market Fund (FDLXX) in 2025, then $986.70 could possibly be exempt from state and local income taxes. If your marginal state income tax rate was 10% that would be a ~$99 tax savings for every $1,000 in total interest earned.

On a net after-tax basis, folks with a ~10% state income tax rate will likely find that FDLXX earns more interest than the default core holdings of SPAXX/FZFXX, even though the gross yield of SPAXX/FZFXX is higher than that of FDLXX.

To obtain these tax savings, you’ll have to manually adjust your state/local income tax return. I don’t believe that TurboTax, H&R Block, and other tax software will do this automatically for you, as they won’t have the required information on their own. (I’m also not sure if they ask about it in their interview process.) If you use an accountant, you should also double-check to make sure they use this information. Here is some information on how to enter this into a previous version of TurboTax:

• When you are entering the 1099-DIV Box 1a, 1b, and 2a – click the “My form has info in other boxes (this is uncommon)” checkbox.
• Next, click on the option “A portion of these dividends is U.S. Government interest.”
• On the next screen enter the Government interest amount. This will be subtracted from your state return.

Standard disclosure: Check with your state or local tax office or with your tax advisor to determine whether your state allows you to exclude some or all of the income you earn from mutual funds that invest in U.S. government obligations.

[Image credit – Tax Foundation]

Updated with new 5% deposit bonus. Crypto exchange OKX is currently offering a few different bonuses which may be stackable. Details below.

1. New customers: $200 referral bonus Should auto-populate the promo code 79795662. That’s mine, thanks if you use it! Details below.
2. New and existing customers: New 5% Deposit Match for all deposits of at least $1,000 (max $250 on $50k deposit). 24 week hold period to get full deposit match, paid out every 14 days. Details below. If you use your deposits to hold USDG, then you will stack on top of the 5% APY earned on USDG.
3. New and existing customers: 5% APY on USDG (stablecoin)
4. New and existing customers: Free crypto via X Drops Club. Must maintain a $1,000+ portfolio of crypto (cash, USDC, USDT and USDG stablecoin does not count). BTC, ETH do count. You must also “join” each airdrop before the window closes. More details here and here.

1. $200 New customer bonus details. For new OKX customers:

• Sign up via special referral link. I think they allow either smartphone or browser sign-up, but identity verification may be easier on a smartphone. That’s my referral link, which should auto-populate with the promo code 79795662. Thanks if you use it!
• Complete identity verification (driver’s license and smartphone selfie).
• $200 BTC Bonus if you deposit $200+ of either cash (link bank account via Plaid) or crypto within 30 days, trade that $200 or more of crypto (can purchase stablecoin like USDG), and hold the assets for at least 30 days within a 90-day period. After 90 days, the bonus will be tradable and withdrawable.
• Stablecoins such as USDG, USDT, and USDC qualify for deposit, trading volume, and AUM holding requirements.

2. New 5% Deposit Match

• OKX is running a 5% bonus match on new deposits (minimum $1,000 and maximum $50,000). You must hold for 24 weeks to get the full 5%, but it is paid out gradually every 14 days (2 weeks). You still keep liquidity and can withdraw your deposits at any time, but you lose the match.
• Must opt in *first* by February 17, 2026, and then make the deposit.
• Full terms.
• This works out to over 10% annualized, and if you hold USDG that also earns 5% APY at OKX.

3. OKX is also paying 5% APY on USDG deposits currently. USDG stablecoin is not FDIC-insured. They claim to be fully backed by US Treasury Bills with monthly audits and regulated by Singapore, but I still plan to withdraw my USDG out into a real FDIC-insured bank as soon as the holding period is over. This is a short-term play for me; I’m in for the bonus duration and then I’m out.

4. X Drops Club is a recurring rewards program with automatic daily drops that scale with a user’s eligible crypto balance. Must maintain $1,000+ in eligible crypto assets (excluding fiat, USDC, USDT, and USDG).

Please perform your own due diligence on crypto apps. They are not regulated on the same level as bank account or brokerage accounts. I usually don’t like to keep significant funds in there any longer than is required for the bonus to clear; in this case the reward/risk ratio is acceptable to me. Here is the OKX Wikipedia page and they are profiled in the Forbes article “The World’s Most Trustworthy Crypto Exchanges”. (Also see: Kraken and Gemini bonuses.)

Note: OKX does not allow customers to be individuals residing in New York, Texas, American Samoa, Guam, the Northern Mariana Islands, and the US Virgin Islands.

Updated offer for 2026. May sure you enroll first! Marcus by Goldman Sachs is offering a up to a $1,500 deposit bonus (starting at $100 bonus on $10,000 in new funds) into their online savings account within 10 calendar days of enrollment at this special offer page. Valid for both new and existing customers. You must enroll first by 3/11/26 and maintain the new funds for 90 days (after the end of the 10-day funding period, so possibly up to 100 days total). You then get the bonus after another 14 days. No offer or promo code required. They have done a similar promotion in past years (and it’s nice that you can keep doing it). Here are the tiers:

After enrolling, you must deposit $10,000 or more in new funds from an external account into your Account within 10 calendar days of enrollment (the “Funding Period”). The Account balance plus a minimum of $10,000 in new funds (the “Required Dollar Amount”) must be maintained in your Account for 90 consecutive days from the end of the Funding Period. The Account balance is based on the starting current balance reflected on your account at 12 am ET the day you enroll. Once the Funding Period has ended, your Account balance may not drop below the Required Dollar Amount at any point until after the 90 consecutive days have passed. You may make multiple deposits within the Funding Period to reach the Required Dollar Amount. Internal transfers do not count for purposes of this Offer.

Important disclosures: Enroll your Online Savings Account in the Offer, then deposit (within 10 calendar days of enrollment) and maintain at least $10,000 (for $100 bonus), $50,000 (for $750 bonus), or $100,000 (for $1,500 bonus) of New Funds, plus your balances in your enrolled account and across all Marcus accounts as of 6:00 pm ET on 1/27/26, for 90 days after the 10-day Funding Period. Withdrawals made by you or a joint owner while enrolled, including CD maturities to non-Marcus accounts or CD early withdrawals, may result in a lower bonus or losing eligibility, depending on your balances.

New customer referral offer. If you don’t have a Marcus account yet, if you open with a Marcus referral link from an existing customer, you will a small 0.25% bonus (it keeps shrinking!). That’s my referral link, thanks if you use it! I’d open and get the referral offer first, and then later enroll in this $100 offer as an existing customer.

Bonus math. Here’s how it works out for each tier:

• $100 is a 1% bonus on $10,000 if you keep it there for 90 days, which makes it the equivalent of ~4% APY annualized.
• $750 is a 1.5% bonus on $50,000 if you keep it there for 90 days, which makes it the equivalent of ~6% APY annualized.
• $1,500 is a 1.5% bonus on $100,000 if you keep it there for 90 days, which makes it the equivalent of ~6% APY annualized.

The bonus is on top of the standard interest rate, currently 3.65% APY as of 1/29/2026. Compare with my latest update of best interest rates. I have gotten a similar Marcus bonus in the past with no issues. Make sure you enroll at the link above first before transferring in your new funds.