I was in the exact same boat last year trying to figure out my Solo 401k contributions! What finally helped me was understanding that the "circular calculation" for employer contributions is the tricky part. You can't just take 25% of your net self-employment income - you have to account for the fact that the employer contribution itself reduces the income it's calculated on. Here's the simplified approach I use: First, max out your employee elective deferral ($23,000 + $7,500 catch-up = $30,500 for you). Then for the employer portion, use this formula: (Net SE income - ½ SE tax) ÷ 1.25 = maximum employer contribution. With your $81,000 income, after subtracting half the SE tax (roughly $5,733), you'd have about $75,267. Divide that by 1.25 and you get approximately $60,214 as your maximum employer contribution. But since your total can't exceed $69,000 (including catch-up), and you're already using $30,500 for employee contributions, your employer contribution would be capped at $38,500. The key is keeping good records of which bucket each contribution goes into when you make them!

The confusion around Solo 401k contribution splits is totally understandable - I went through the same headache when I first started! One thing that helped me was realizing that you essentially wear two hats: employee and employer. As the "employee," you can defer up to $30,500 ($23,000 + $7,500 catch-up since you're over 50) from your personal income. This is money you're choosing not to take as salary. As the "employer," your business can contribute up to 25% of your compensation, but here's where it gets tricky - your "compensation" for this calculation is your net self-employment earnings minus half of your self-employment tax AND minus the employer contribution itself (hence the circular math everyone mentions). Given your $81,000 net income, you should be able to max out both portions without hitting the overall $69,000 limit. The key is making sure you designate each contribution properly when you make it - your plan administrator needs to know which bucket each dollar goes into for proper tax reporting. Have you checked if your plan administrator has any calculators or guidance? Some of the bigger providers have tools that can help with the math, even if they don't do it automatically.

This thread has been absolutely incredible to read through! I'm also navigating my first 60-day review notice (got mine dated March 23rd) and - you guessed it - I'm another recent grad who claimed student loan interest deduction! 🎓 The pattern everyone's identified here is so reassuring. When I first got that CP05 notice, I was convinced I'd made some major error on my return, but seeing how routine this verification process is for people in our exact situation has been such a relief. Ashley, your organized approach with the color-coded folders and spreadsheet tracking really speaks to me - I've been doing something similar but wasn't sure if I was being overly detailed about it! 😅 What I find most valuable about this discussion is the specific timeline data everyone has shared. Those real day counts (like CosmicCadet's 52-day resolution) are so much more helpful than the vague "60 days" estimate from the IRS. The 45-60 day window most people are experiencing gives me realistic expectations to work with. I've definitely fallen into the transcript checking obsession too - probably refreshing it way more than I should! But this community support makes the waiting period so much more manageable. It's amazing how sharing experiences transforms anxiety into understanding. Looking forward to following everyone's progress and hopefully celebrating successful resolutions together soon! 🤞

I'm new to this community but had to jump in after reading through this entire thread - what an amazing support system you've all created here! I'm also dealing with my first 60-day review notice (received March 17th) and like practically everyone else, I'm a recent grad who claimed student loan interest deduction. The pattern is undeniable at this point! 🎓 Ashley, thank you so much for starting this discussion and being so thorough with your tracking approach. Your color-coded organization system sounds exactly like something I would do (and probably will start doing now!). Reading through everyone's experiences has transformed what initially felt like a terrifying mistake into understanding that this is just routine verification for people in our situation. The specific timelines everyone has shared - especially that 45-60 day resolution window - have been invaluable for setting realistic expectations beyond the IRS's vague "60 days." I've definitely caught the transcript checking obsession too, but knowing that so many others are refreshing theirs just as frequently makes it feel less neurotic! 😅 This community's ability to turn individual anxiety into collective support and understanding is truly remarkable. It's so reassuring to know we're all navigating this together and that these reviews consistently resolve without major issues. Looking forward to following everyone's progress and hopefully celebrating successful resolutions soon! 🤞

Has anyone considered that this might actually be a reporting error? I've been doing backdoor Roth conversions for years, and I think there's confusion about how to report a loss on Form 8606. Line 14 should only have a value if you have remaining basis in IRAs that still have funds in them. Since the account was completely emptied, I think the software might be calculating this incorrectly. When I had a similar situation with a loss before conversion, my accountant reported the full contribution amount ($6000) on line 4, then reported the actual converted amount ($5900) on line 8, and ended up with $0 on line 14.

This is a great question that highlights how confusing IRA basis tracking can be! The tax software is actually correct - you do have $100 of remaining basis even though the Traditional IRA account is empty. Think of basis as separate from your actual account balance. When your spouse contributed $6,000, that became her basis (after-tax money). When she converted only $5,900 due to investment losses, she used $5,900 of that basis. The remaining $100 of basis doesn't just disappear - it gets carried forward on Form 8606. This is important because if your spouse ever has ANY pre-tax money in traditional IRAs in the future (like from a 401k rollover), that $100 basis would factor into the pro-rata rule for future conversions. The IRS wants to track every dollar of after-tax money you've put into traditional IRAs, regardless of whether those specific accounts still exist. For future backdoor Roth conversions, you'll add any new contributions to that $100 basis before calculating the taxable portion of conversions. Keep good records of your Form 8606 from year to year - this basis tracking continues indefinitely until it's all used up through conversions or distributions.

Having been through this exact situation (UK resident with US income and 30% wrongly withheld), I'd recommend filing a 1040NR yourself if you're comfortable with forms. The key is including Form 8833 to claim the treaty benefits specifically. You need to cite the exact treaty article (usually Article 10, 11, or 12 depending on your income type) and explain why you qualify for reduced withholding. Also check if your income type qualifies for complete exemption - some royalties and certain types of interest payments between the US and UK have 0% withholding rates under the treaty!

Based on my experience helping clients with similar 1042-S overwithholding issues, the pricing you were quoted is unfortunately quite standard for this specialized work. However, there are a few things worth considering: First, make sure you understand exactly what type of income this was - dividends, royalties, interest, or other payments. The UK-US tax treaty has different withholding rates for different income types, and some may qualify for complete exemption rather than just reduction to 15%. Second, you have options beyond hiring a full-service accountant. You could potentially use services like those mentioned by others here to help analyze your situation and provide guidance, then file the 1040NR yourself if you're comfortable with forms. The main complexity is getting an ITIN if you don't have one, and correctly citing the treaty provisions on Form 8833. Given that you're looking at recovering $4000, even paying the quoted fees would net you a significant amount. But shopping around is definitely worthwhile - try to find firms that specifically advertise UK-US tax expertise rather than general international tax services.

Has anyone used FreeTaxUSA for filing with a single-member LLC and W2 income? I'm trying to avoid the higher fees from TurboTax but not sure if the cheaper options handle Schedule C well.

As someone who went through this exact transition two years ago, I'd say start with good tax software first before jumping to a CPA. With $18K in LLC income, you're definitely in manageable territory for self-filing. The key things that made my first year smooth: 1) Keep meticulous records of ALL business expenses (even small ones add up), 2) Set aside about 25-30% of your LLC profits for taxes (you'll owe self-employment tax on top of income tax), and 3) Don't forget about potential quarterly payments for next year. I used TaxAct Business which handled my Schedule C perfectly and cost way less than TurboTax. The software walked me through everything step-by-step, including home office deductions and business use of vehicle if applicable. One thing I wish someone had told me - even though you're a single-member LLC, make sure you're treating it like a real business from a record-keeping standpoint. Separate bank accounts, proper receipts, detailed mileage logs if you drive for business. The IRS scrutinizes Schedule C filers more than W2-only folks, so having everything documented properly is crucial.