Reader questions, answered

Short answer: yes, but less than you probably think, and the savings depend on your specific income levels. The longer answer is that you’re going to drop the NYC resident tax (currently 3.876% top marginal rate) but you’re going to pick up New Jersey resident tax. New York will still tax your Manhattan wages at the New York non-resident rate under the convenience rule, and New Jersey will give you a credit for the NY tax paid up to the NJ rate. The math at your income range probably looks like this: drop the 3.876% NYC tax, pay NJ resident rate of about 6.37% on top earnings, get credited for the NY non-resident tax (around 6.85% on top earnings). Net result: you save the 3.876% NYC tax on dollars where NY non-resident tax actually offsets the NJ tax, but you keep paying roughly the higher of NY or NJ on the rest. On a combined household income of $300,000 the swing is typically $2,500-$4,500 of net savings per year. Better than nothing, but not the kind of windfall that decides where you move on its own. The deeper mechanics are in our multi-state filing guide.

Not wrong, just newly aware. Self-employment tax is 15.3% on 92.35% of net SE earnings up to the Social Security wage base — for $74,000 of net SE income that’s 15.3% of $68,339 = about $10,455. So your math is right. Two things that may soften the picture. First, half of your SE tax (about $5,230) is deductible above the line on Schedule 1 line 15, which reduces your federal taxable income and saves you another $1,150-$1,575 in federal income tax depending on bracket. Second, your Schedule C net profit is also eligible for the 20% Section 199A Qualified Business Income deduction (subject to income thresholds), which can save another $1,500-$2,500 of federal tax. So the “effective” cost of the SE tax to you on the bottom line is more like $7,000 net rather than the $10,500 sticker price. Still real money, but not as brutal as the sticker looks. If you weren’t making quarterly estimated payments through 2025, the next thing to do is set up a Q3 and Q4 catch-up plus your 2026 Q1; see our quarterly tax piece for the mechanics.

Nobody’s fault — it’s baked into the way the surtax is structured. The 0.9% Additional Medicare Tax under IRC § 3101(b)(2) is withheld by an employer once a single job’s YTD wages cross $200,000. If neither of you crossed $200,000 individually but your combined wages exceeded the $250,000 MFJ threshold, neither employer withheld the surtax and you owe it at filing. On $28,000 of wages above the threshold ($278k − $250k), the surtax is $252. If your bill was $1,200, either your combined wages were higher than the $278k you mentioned or there’s also a NIIT component (3.8% on investment income above the same threshold) included in the same number. To prevent next year: have whichever spouse’s income is closer to $200k add an extra dollar amount on Step 4(c) of their W-4 covering the projected surtax. Or have you both add half each. Easier still if one of you has a steadier paycheck. Run our W-4 calculator in October with both incomes and use the “extra withholding” field on whichever Step 4(c) is easier to adjust at your employer.

The 2020-and-later W-4 doesn’t use dependent “claims” the way the old form did. The new form has five steps, and for a single filer with one job and standard finances, Steps 2 through 4 are usually left blank. Step 1 is your filing status (single, assuming you’re unmarried). Step 5 is your signature. That’s it. With Steps 2-4 blank, your employer will withhold federal tax based on the assumption that you take the standard deduction and have no other income, no dependents, and want no extra withholding. For a $58,000 single filer in Georgia, that produces close-to-correct withholding without further adjustment. The mom-advice of “claim 0” was correct for the pre-2020 form and is now meaningless — there’s no allowance field anymore. Run our W-4 calculator with your numbers and confirm the projected withholding looks right. If it’s in the ballpark of what the calculator projects, submit the form as-is.

Three things to know going into the partial retirement year. First, your 2026 will be a partial-W-2 year — January through October — plus three months of post-retirement income, which may include Social Security benefits, withdrawals from retirement accounts, or both. Your effective tax rate for 2026 will be roughly average of working-year rates and retired-year rates. Second, the taxation of Social Security itself depends on your “combined income” (AGI + tax-exempt interest + half of SS benefits). For single filers, up to 50% of SS benefits become taxable above $25,000 of combined income, up to 85% above $34,000. Those thresholds have not been adjusted for inflation since 1983, so for almost any modern retiree with significant other income, the 85% rate applies. Third, this is the year to seriously consider Roth conversions. If your 2026 ordinary income (after October retirement) drops into the 12% bracket, you can convert traditional IRA dollars at 12% federal instead of the 22%+ you’d pay during your working years. Run the conversion math through October so you know how much room you have in the 12% bracket; convert up to that limit. We cover the conversion mechanics briefly in our year-end planning piece; for a partial-year retirement situation specifically, this is one where I’d recommend a single consultation with a CPA or EA familiar with your specific numbers rather than DIY.

Your loan officer was telling you what they’ve been telling buyers since 1986 and the math stopped working in 2018. Mortgage interest deduction is on Schedule A, which only helps if you itemize. The standard deduction for a single filer is $15,000 for tax year 2025 ($16,100 for 2026). Your 2025 itemized deductions are likely: roughly $32,000 of mortgage interest (year one of a $740k loan at ~6% is mostly interest), $5,800 of property tax. State income tax in California adds to the SALT category but the SALT cap was $10,000 for 2025 (rising to $40,000 for most MFJ in 2026 under OBBBA, but for single filers the cap is lower). So your 2025 itemized total is around $32,000 + $10,000 SALT cap = $42,000. That’s $27,000 more than the $15,000 standard. At your bracket (probably 24% federal + 9.3% California = 33.3% combined marginal), the actual extra tax savings is 33.3% × $27,000 = roughly $9,000 federal+state combined. If your savings only came out to $400 you either had less interest paid than I estimated, or your software didn’t itemize for you, or there’s something else going on. Pull last year’s 1098 from the lender (the mortgage interest statement), confirm the actual interest paid number, and re-run the return. The savings should be much larger than $400.

Yes, and yes. RSU vesting is treated as supplemental wages under Treasury Reg 31.3402(g)-1 and your employer is required to use either the 22% flat method or the aggregate method. Almost every employer uses the 22% flat method because it’s mechanically easier. For someone in the 32% bracket that’s 10 percentage points of under-withholding. On a $40,000 RSU vest event, that’s $4,000 of federal tax you’ll owe at filing that wasn’t withheld. Two options. Option A: Add the projected shortfall to your W-4 Step 4(c) extra withholding for the rest of the year, spread across remaining paychecks. Option B: Make an estimated tax payment via IRS Direct Pay to cover the shortfall. Either works. Option A is automatic and harder to forget; Option B gives you flexibility on cash flow. Don’t wait until April — you’ll owe an underpayment penalty in addition to the tax. Run the math in our W-4 calculator with your full-year projected income including the RSUs to see exactly how much additional withholding to set.

Yes, on the portion above the FSA. The Child and Dependent Care Credit applies to up to $3,000 of qualifying expenses for one child or $6,000 for two or more. Your $5,000 dependent care FSA already used $5,000 of qualifying expenses. So for the credit, your eligible expenses are $6,000 (the two-child cap) minus $5,000 (already used by FSA) = $1,000 of credit-eligible expenses remaining. The credit is 20% at your income range (above $43,000 AGI), so 20% of $1,000 = $200 credit. Modest, but real. Worth claiming. Make sure your tax software is doing the FSA-vs-credit math correctly — some software defaults to one or the other but doesn’t combine them as the IRS allows. The Form 2441 instructions walk the exact stacking order.

No. Self-employment tax (Schedule SE, 15.3% of net SE earnings) is computed on your business net profit only. Capital losses don’t reduce SE tax. However, your $19,000 capital loss has two separate uses on the federal return. First, it offsets any capital gains you have for the year dollar-for-dollar. Second, if you have net capital loss after offsetting gains, up to $3,000 of the net loss offsets ordinary income each year (against your $61k freelance income in your case), and the remainder carries forward indefinitely. So at $19,000 of pure loss with no offsetting gains: $3,000 reduces your 2025 ordinary income (saving you roughly $720 federal tax at the 22% bracket plus state tax savings if applicable), and $16,000 carries forward to 2026 and beyond at $3,000 per year. Capital losses don’t expire. The SE tax of about $8,700 on your $61k is unchanged.

Bigger return, materially. Head of household gives you three things over single filer status. First, a bigger standard deduction — $22,500 for tax year 2025 ($24,100 for 2026) versus $15,000 single. Second, wider bracket boundaries — you get the 12% bracket up to $63,100 for 2025 (versus $47,150 single) and the 22% bracket up to $100,500 (versus $100,525, close at the top of the 22% band but wider lower down). Third, you keep the full Child Tax Credit per qualifying child. On a single-filer-to-HOH switch at roughly $75,000 of income with two qualifying children, the federal tax savings is typically $1,200-$1,800 per year. Eligibility for HOH is stricter than people realize — you must be unmarried (or considered unmarried under specific separation rules) AND pay more than half the cost of maintaining your home AND have a qualifying person (your kids work) live with you for more than half the year. If you meet all three, file HOH; the dollar difference is real.

This is the kind of question with a real answer but the real answer depends on details we don’t have. The simplest read of the situation: Vermont is almost certainly your domicile (where you intend to return, where your primary home is, where you spent more than 183 days). Florida is probably not your domicile. As a Vermont resident you’d file a full Vermont return on worldwide income. Massachusetts will source your Boston-employer wages to Massachusetts only on the days you were physically in Massachusetts — if your remote work happens from Vermont or Florida, those days are not Massachusetts-source. Massachusetts does not apply a convenience-of-employer rule (post-pandemic the temporary version expired). So practically: Vermont resident return on the full year; Massachusetts non-resident return on whatever portion of wages was earned while physically in Massachusetts (likely a small percentage); credit-for-tax-paid against Vermont for whatever Mass tax you actually paid. Two warning flags. First, if you formally claim Florida residency for purposes of Florida driver’s license, voter registration, or homestead exemption, Vermont may push back and audit your day count. Second, if you spend more than 183 days physically in Massachusetts with a permanent place of abode there, you might trigger Massachusetts statutory residency, which would change everything. The honest answer is that this is the kind of situation where a one-hour consultation with a CPA who knows New England multi-state taxation is worth the fee.

Five vehicles to investigate, ordered by typical impact. First, max the regular $23,500 and the $7,500 catch-up (you have both). Second, fund an HSA if you’re on an HSA-eligible plan ($4,400 in 2026 single coverage). Third, the mega backdoor Roth you mentioned — this is the after-tax 401(k) contribution converted to Roth, and it requires three things from your plan: (a) the plan accepts non-Roth after-tax contributions, (b) the plan allows in-service distributions or in-plan Roth conversions of after-tax balances, and (c) the plan’s elections actually let you elect after-tax contributions in a separate bucket. If all three are true, you can contribute up to $70,000 total annual additions in 2026 minus employer match minus your regular $31,000 deferral — usually another $20,000-$30,000 of after-tax money that converts to Roth. The plan administrator’s confusing answer probably means at least one of the three conditions isn’t met; ask specifically, “Does the plan accept non-Roth after-tax contributions, and does it allow in-service Roth conversions of after-tax balances?” If both are yes, mega backdoor Roth works. Fourth, if you have side income, consider a solo 401(k) — the employer-side contribution from self-employment provides more room. Fifth, taxable account with tax-loss harvesting and asset location optimization is less tax-advantaged than retirement accounts but flexible. At your income the mega backdoor Roth, if available, is the highest-leverage tool.