I just spent the last hour going through everything line by line and I found the issue! Somehow I had entered my quarterly estimated payments of $12,000 as "Additional income" rather than "Payments already made." So the system thought I had earned $105,000 AND hadn't paid any estimated taxes, which is why it was calculating such a high effective rate and saying I owed so much more. I fixed the entry and now my blended rate is showing as 31.4% and I'm getting a refund of $1,200. That makes WAY more sense. Thanks everyone for the help!

The withholding calculator is great but I found it super confusing with mixed income. Do you enter your anticipated freelance income somewhere specific? Or just add it to your total expected income?

You add your expected freelance income to the section that asks about "other income" not subject to withholding. Then it calculates both your income tax on that amount plus factors in the self-employment tax. The key is updating it a few times throughout the year as your freelance income might fluctuate. I usually do it quarterly right before making estimated payments to make sure everything still looks on track.

That's terrifying! Did you end up actually having to pay the full $10k penalty? Were you able to get it reduced at all? I'm freaking out now because my accounts were inherited from my grandmother and I honestly didn't realize I needed to report them since the interest was only like $300.

I was eventually able to get the penalty reduced to about $1,200 after going through a formal appeal process and demonstrating it was an honest mistake. The key was that I voluntarily amended my return before they discovered it. In your case, with such a small amount of interest and the fact that you're correcting it immediately, you might qualify for a complete penalty waiver under their "reasonable cause" exception. Make sure you include a detailed letter explaining that you inherited the accounts, were unaware of the reporting requirements, and are now voluntarily correcting the oversight as soon as you discovered it. The IRS is more understanding with inherited accounts since many people don't realize the reporting requirements apply to those too.

That's actually incorrect advice. Form 14653 is only for U.S. persons who have been living abroad. Based on the original poster's mention of filing a California state return, they likely don't qualify for the Streamlined Foreign Offshore Procedures. They would potentially qualify for the Streamlined Domestic Offshore Procedures, which uses Form 14654, not 14653. However, even that program is generally for taxpayers who have failed to report foreign accounts for multiple years, not just a single oversight on a recently filed return. For a simple correction of a recent return where foreign interest was omitted, a standard 1040-X amendment is usually the appropriate approach, along with filing any required FBAR forms.

Wait, that sounds exactly like what might have happened! How did you resolve it once you realized the mistake? Did you have to file an amended return or just explain it in a response to their letter?

I didn't need to file an amended return. I sent a formal response to the IRS letter that included a new correctly filled out Form 8949 with the proper checkbox marked, along with documentation showing my actual purchase prices and dates for the Doge. I also included a brief letter explaining that I made an error in checking the wrong box but that I had in fact reported all income properly. They accepted my explanation and adjusted the amount owed to match what I had originally calculated and paid. The whole process took about 2 months from when I sent my response to getting their confirmation.

Do you know if they're focusing only on the major exchanges like Robinhood and Coinbase, or are they somehow tracking DeFi transactions too? I did some swaps on Uniswap back then that I'm not sure I documented properly.

I tried to create an account but it wouldn't verify my identity because I don't have a credit card or loan history (I mostly use cash and debit). Is there another way to check?

You can request your transcript by mail if the online verification doesn't work for you. Go to IRS.gov and search for "Get Transcript by Mail" or use Form 4506-T. It takes about 5-10 days to arrive. Another option is to call the IRS automated transcript line at 800-908-9946. You won't speak to a person, but you can request that they mail your transcript. If you absolutely need to talk to someone, try calling the main IRS number (800-829-1040) early in the morning right when they open - that's usually when wait times are shortest.

They said in the post they filed electronically with H&R Block. Reading comprehension lol

That's really helpful - I hadn't even considered the QBI deduction. Do you know if there are any special requirements for short-term rentals to qualify for this? And would taking the QBI deduction affect my ability to offset losses against W2 income in any way?

For short-term rentals to qualify for the QBI deduction, they need to rise to the level of a "trade or business" under Section 162, which generally means regular, continuous, and substantial activity - which your hands-on management would likely satisfy. The IRS also issued Revenue Procedure 2019-38 which provides a safe harbor specifically for rental real estate activities. Taking the QBI deduction doesn't affect your ability to offset losses. They're completely separate concepts. If your rentals show a net loss in a given year, there's no QBI deduction to take (since it's calculated on profits). But in profitable years, you'd potentially get both the regular business expense deductions and the additional QBI deduction on what's left.

Agreed about documentation. My friend got audited on exactly this issue and the IRS disallowed their short-term rental losses because they couldn't prove they met the material participation hours. Keep a calendar or app with dates, times, and descriptions of all activities.