How exactly do I calculate the right amount of extra withholding to put on my W-4? Is there a formula or calculator you'd recommend?

A simple approach is to take your expected freelance income for the year and multiply it by 30% (which covers both income tax and self-employment tax for most people). Then divide that amount by the number of pay periods you have at your regular job. For example, if you expect to make $5,000 in freelance income and get paid bi-weekly (26 pay periods), you would calculate: $5,000 × 0.30 = $1,500 in estimated taxes ÷ 26 pay periods = about $58 extra withholding per paycheck. You'd put that amount on line 4(c) of your W-4 form. The IRS also has a tax withholding estimator on their website that's more precise if you want to get it exactly right.

I've been doing freelance work for years and never made quarterly payments (don't tell the IRS lol). Never had any penalties. Is it really that important?

Is there a deadline for the IRS to process prior year returns and issue refunds? I filed my 2021 return about 2 months ago and haven't heard anything.

The IRS doesn't have a specific deadline for processing prior year returns, but they typically take longer than current year returns. Prior year returns are usually processed manually rather than through their automated systems, which adds to the processing time. Generally, you can expect a processing time of 6-12 weeks for paper returns, but for prior year returns, it can sometimes take 16 weeks or more. If it's been more than 16 weeks since you submitted your return, you can call the IRS or use their "Where's My Refund" tool, though that tool sometimes doesn't work well for prior year returns.

Actually I think there was a separate phaseout for the additional amount over $2,000. The original $2,000 CTC didn't start phasing out until $200k single/$400k married.

You're absolutely right, thanks for that correction! The 2021 Child Tax Credit had two different phase-out thresholds: The enhanced portion (the extra $1,600 for kids under 6 or $1,000 for kids 6-17) started phasing out at $75,000 for single filers and $150,000 for married filing jointly. The base $2,000 credit didn't start phasing out until $200,000 for single filers and $400,000 for married filing jointly. This was one of the more confusing aspects of the 2021 tax changes. Thanks for pointing that out!

The charitable remainder trust is interesting but wouldn't work in my case since I don't own the asset - it's just a profit share agreement that pays out when the company sells. Could opportunity zone investments still work after I receive the payout? How quickly would I need to invest in one after getting the profit share payment?

You're right about the CRT - it only works for assets you currently own, not future payments you'll receive. Sorry I missed that detail. For opportunity zone investments, you generally have 180 days from realizing the capital gain to reinvest into a qualified opportunity fund. So you could potentially use this strategy after receiving your profit share payout. The deferral benefits aren't as strong as they were initially, but you can still defer the tax until 2026 and potentially reduce your taxable gain by 10% if you hold the investment long enough.

Installment sales are complicated though right? I tried to do one last year and my tax software couldn't handle it - ended up needing to pay an accountant extra to file correctly.

I actually prepared and filed the 1040X myself using paper forms because the amendment was pretty simple - just correcting an education credit amount. So I don't have a preparer to contact. And I do have the physical copy, it's just missing the date in the signature section, which apparently is a deal-breaker for my financial aid office. They're super strict about having complete documentation.

That's unfortunate. In that case, I think your best options are what others have suggested - either visiting a Taxpayer Assistance Center in person for immediate help or using one of the services mentioned to get through to the IRS more efficiently. Since you mentioned your deadline is approaching, I'd probably pursue multiple options simultaneously. Start the process with taxr.ai since that seemed to work for someone else with your exact issue, but also try to schedule an in-person appointment at a TAC as a backup plan.

I heard they're severely understaffed and dealing with massive backlogs still. My cousin works for the IRS and says they're processing literally millions of paper forms with too few employees. Apparently the best times to call are early Tuesday, Wednesday or Thursday mornings right when they open.

Thanks for the tip. Maybe I'll try calling at 7am on Tuesday and see if that helps. It's just frustrating that they make it so difficult to get basic documents that we're legally required to have.

This is super helpful, especially the Google Scholar tip! I hadn't thought of using that for tax research. Do you find the search results are accurate or do you get a lot of unrelated cases to sort through?

Google Scholar works surprisingly well if you use specific terms. For instance, instead of searching "business expenses tax court," try "ordinary and necessary 162(a) tax court" to get more relevant results. You'll still get some unrelated cases, but far fewer than a general search. I usually add the specific code section in my search along with any technical tax terms. If you're looking for cases on a particular issue, adding terms like "held that" or "we conclude" can help find cases where the court actually made a ruling on your issue rather than just mentioning it in passing.

Westlaw and LexisNexis are industry standards for a reason - they have excellent search capabilities and organizing features. But they're prohibitively expensive for most individuals unless you have access through work or school.

Thanks for the input. I'll check if any local law libraries offer public access terminals. Might be worth the drive to use those resources occasionally for complex research.