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When I got married, we both kept our W4s at "single" rate for the first year just to be safe. Yes, we overwitheld and got a big refund, but I'd rather get a refund than owe! In your situation with two decent incomes, definitely check that box 2c at minimum.
I went through this exact same thing when I got married two years ago! That jump in take-home pay is totally normal but can be scary. Here's what worked for me: First, don't panic - you're not going to owe a "giant" tax bill, but you'll probably owe something if you don't adjust. With your combined income of around $128k, you're likely hitting higher tax brackets together than the withholding tables account for. I'd strongly recommend using the IRS Tax Withholding Estimator (it's free on irs.gov) rather than just checking box 2(c). Yes, it's a bit tedious, but it gave me much more accurate results. You'll need both of your recent pay stubs and last year's tax returns. The estimator will tell you exactly how much extra to withhold on line 4(c) of your W4, or whether checking box 2(c) is sufficient. In my case, we needed an extra $85 per paycheck withheld beyond what box 2(c) would have done. Also, since you just changed this a few weeks ago, you have time to adjust if needed. Better to spend 30 minutes with the calculator now than get surprised next April!
20 Just want to point out that everyone seems to be assuming tax rates won't change much. But look at the national debt... over $31 trillion! Tax rates in the 1970s were WAY higher than today. Top marginal rate was like 70% at one point! I'm putting everything in Roth accounts even though I'm in the 32% bracket now. I'd rather pay 32% today than risk 50%+ rates when I retire in 30 years. The government's gotta pay that debt somehow, and I'm betting it'll be through higher taxes, not spending cuts.
24 That's a valid concern, but historically speaking tax rates on retirees haven't changed dramatically. Also remember that with Traditional 401(k), you're saving at your MARGINAL tax rate (your highest bracket) but will withdraw in retirement filling up from the BOTTOM brackets first. So even if all rates go up 10%, you're still likely coming out ahead with Traditional if you're a high earner now. You'd need massive tax increases targeted specifically at retirees to make the math work out in favor of Roth for most high earners.
Great discussion everyone! As someone who switched from Roth to Traditional 401(k) after getting promoted to a higher tax bracket, I can share my experience. The math really does work out for Traditional when you're in those higher brackets. I was initially hesitant because like the OP, I was worried about future tax rates. But here's what convinced me: even if tax rates increase across the board, I'm still likely to be in a lower bracket in retirement than my current 35% marginal rate. My financial advisor helped me run the numbers - if I max out my Traditional 401(k) at $22,500, I save about $7,875 in taxes immediately. That's money I can invest in a taxable brokerage account right now. Even accounting for capital gains tax on that separate investment, the Traditional route comes out ahead in most realistic scenarios. The key insight was realizing that in retirement, I won't need my full current income. No more mortgage payments, kids will be independent, and I won't be saving 20%+ of my income for retirement anymore. So even with some tax rate increases, my effective rate in retirement should be lower than today's marginal rate. That said, I do put some money in a Roth IRA for diversification, but the bulk goes Traditional 401(k) for the immediate tax arbitrage opportunity.
This is really helpful! I'm curious about one thing though - when you mention investing the tax savings in a taxable brokerage account, how do you handle the fact that those investments will be subject to capital gains tax? Doesn't that eat into some of the advantage of the Traditional 401(k) approach? I'm trying to figure out if the math still works out favorably even after accounting for the additional tax drag on the separate brokerage investments.
Great question @Nalani Liu! You're absolutely right that capital gains tax does eat into some of the advantage, but the math still works out in most cases for high earners. Here's how I think about it: Let's say I save $7,875 in taxes from my Traditional 401(k) contribution and invest that in index funds. Even if I pay 15% long-term capital gains on the growth (or 20% if I'm in the highest bracket), I'm still starting with a much larger initial investment base thanks to that tax savings. The key is that capital gains rates are generally lower than ordinary income tax rates. So I'm avoiding 35% tax now, then potentially paying 15-20% capital gains later on just the growth portion. Plus, I have control over when to realize those gains for tax optimization. My advisor showed me that even accounting for capital gains tax, the Traditional + separate investing approach beats Roth in most scenarios unless ordinary tax rates increase by more than about 8-10 percentage points across the board. The immediate tax arbitrage opportunity is just too good to pass up when you're in those higher brackets. Of course, this assumes you actually invest the tax savings rather than spending it - discipline is key!
Just wanted to add one more consideration that might be relevant for your situation - the timing of when you actually made the loan during the tax year can matter. If you made the loan partway through the year, you'll need to determine your at-risk amount as of the end of the tax year, not when you first made the loan. Also, since you mentioned this is only your third year and you're not expecting profits until year five, make sure you're tracking your basis adjustments year over year. Each year's losses will reduce your outside basis, and you'll need to maintain detailed records to properly calculate your basis for future years when the partnership hopefully becomes profitable. One last thing - if your partnership has any nonrecourse debt (debt where partners aren't personally liable), that gets allocated differently and won't increase your at-risk amount the same way your direct loan does. Just something to keep in mind as your business grows and potentially takes on additional financing.
This is really helpful about the timing aspect! I'm new to partnership taxation and didn't realize the timing of when you make the loan during the year could affect your at-risk calculation. Just to clarify - if I made a loan to the partnership in, say, October, but my share of the partnership loss was allocated throughout the entire year, would I still be able to use the full loan amount to support my loss deduction? Or would it be prorated somehow? Also, you mentioned tracking basis adjustments year over year - is there a specific form or worksheet that's recommended for keeping these records? I want to make sure I'm documenting everything properly from the start rather than trying to reconstruct it later.
Good question about the timing! For at-risk purposes, you generally measure your at-risk amount as of the end of the tax year, so if you made the loan in October, you'd still be able to use the full loan amount to support loss deductions for that entire tax year. The losses are allocated based on your ownership percentage throughout the year, but your at-risk calculation is typically done as of December 31st. As for tracking basis adjustments, there isn't an official IRS form for this, but many tax professionals use a basis tracking worksheet that shows: (1) beginning outside basis, (2) your share of income/loss, (3) distributions received, (4) other adjustments, and (5) ending basis. You'll want to track both your outside basis AND your at-risk amounts separately since they follow different rules. I'd strongly recommend setting up a simple spreadsheet now to track these amounts year by year. Include columns for capital contributions, loan balances, allocated income/losses, and distributions. Trust me, trying to reconstruct this information years later for an audit or when you eventually sell your partnership interest is a nightmare you want to avoid!
Great discussion everyone! As someone who's navigated similar partnership tax issues, I want to emphasize a few key points that might help clarify things for Grace and others in similar situations. First, the distinction between "outside basis" and "at-risk" amounts is crucial but often confusing. Think of it this way: your outside basis is like your "investment account balance" in the partnership (starts with capital contributions, adjusted for income/losses/distributions). Your at-risk amount is what determines how much loss you can actually deduct (includes capital contributions PLUS loans you've made to the partnership where you're personally liable). For Grace's situation: the loan to your partnership won't increase your outside basis, but it absolutely increases your at-risk amount, which should allow you to deduct losses that exceed your remaining outside basis. One practical tip I learned the hard way - keep a simple Excel tracker with separate columns for: (1) Outside Basis, (2) At-Risk Amount, and (3) any suspended losses. Update it every year after getting your K-1. This saved me countless hours when I eventually had to provide documentation during an IRS examination. Also, since you mentioned formal loan documents with interest rates - that's excellent! Just make sure the partnership is actually making those interest payments on schedule and reporting them properly. The IRS looks for substance over form, so the more your arrangement behaves like a real third-party loan, the better.
I found this confusing too until my accountant explained it. Here's a simplified example: Let's say you have: - $70,000 in wages - $8,000 in long-term capital gains Your total income is $78,000, but the tax calculation happens like this: 1. Your $70,000 wages are taxed using regular tax brackets 2. The $8,000 LTCG is taxed at the capital gains rate (0%, 15%, or 20%) 3. These separate tax amounts are added together for your final tax bill It's almost like having two separate tax returns that get combined at the very end!
This was super helpful, thanks! One question though - how does this work with tax brackets? Like if my wages put me in the 22% bracket, but adding my capital gains would push me into the 24% bracket, does that affect how my wages are taxed?
Great question! Your capital gains don't actually push your ordinary income into a higher bracket. The tax brackets for ordinary income and capital gains work separately. Here's how it works: your $70,000 in wages stays in whatever bracket it falls into based on just that amount. The capital gains are then "stacked on top" but taxed at their own rates (0%, 15%, or 20%). However, your total income (wages + capital gains) does determine WHICH capital gains rate you qualify for. So if your combined income pushes you above certain thresholds, your capital gains might jump from 0% to 15%, or from 15% to 20%. But your wage income stays taxed at the same brackets regardless. It's like having two separate tax calculations that don't interfere with each other's rates, even though they do add up to determine your overall income level.
This is exactly the kind of confusion I had when I first started dealing with multiple income sources! The best way I've found to think about it is that the IRS essentially runs multiple "mini tax calculations" simultaneously. Your Form 1040 is like the final summary sheet, but behind the scenes there are all these supporting forms and schedules doing the heavy lifting: - Schedule B for interest and dividend income - Schedule D and Form 8949 for capital gains/losses - Schedule C for self-employment income - Form 4797 for certain business asset sales Each of these feeds their own tax calculation into the main 1040, where everything gets totaled up. So even though your AGI shows one combined number, the actual tax computation preserves the different treatment for each income type. It's kind of like how a restaurant bill might show one total at the bottom, but the kitchen prepared your appetizer, main course, and dessert separately with different cooking methods. The final bill combines everything, but each item was handled according to its own "recipe" behind the scenes.
Emily Jackson
Had the exact same issue. The worksheet you need is called the "State and Local Income Tax Refund Worksheet" in the 1040 instructions. BUT if you used tax software last year, you could just look at Schedule A, line 5e from your 2024 return to see exactly how much state tax was actually deducted. The rule is pretty simple: only pay tax on refund $ for which you actually received a federal tax benefit.
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Liam Mendez
โขThanks for mentioning the specific line number! That's super helpful. I'm looking at my Schedule A from last year right now and I can see on line 5e that I only got to deduct $4,230 of my state taxes because of the SALT cap. So if I get a $2,000 refund, I'd calculate what percentage the $4,230 was of my total state taxes paid, and use that percentage to figure out the taxable portion?
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Fatima Al-Suwaidi
โขExactly right! You've got the concept down perfectly. So in your case, if you paid let's say $8,000 total in state taxes but only got to deduct $4,230 due to the SALT cap, then $4,230/$8,000 = about 52.9% of any state refund would be taxable. So if you get that $2,000 refund, you'd report $2,000 x 52.9% = $1,058 as taxable income on your federal return. The remaining $942 isn't taxable because you never got a federal tax benefit from those tax payments in the first place. The key is using the actual amounts from your specific return rather than just assuming the full refund is taxable!
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Anna Stewart
This is such a common confusion! I went through the exact same thing last year. The key insight that finally clicked for me is that you only report as taxable income the portion of your state refund that corresponds to taxes you actually got a federal deduction for. Since you hit what sounds like the SALT cap and only deducted $650 of your $6,200 in state taxes, you'd calculate: ($650 รท $6,200) ร [your refund amount] = taxable portion. So if your state refund is, say, $1,500, you'd only report about $157 as taxable income ($650/$6,200 = 10.5%, so $1,500 ร 10.5% = $157). The IRS has a specific worksheet for this calculation in the Form 1040 instructions - look for the "State and Local Income Tax Refund Worksheet." It walks you through the exact calculation using your specific numbers. Don't let your tax software intimidate you into reporting the full refund amount if you didn't get the full deduction benefit!
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