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Victoria Jones

What are the disadvantages of using HIFO method when reporting cryptocurrency on taxes?

I'm working on my 2025 tax return and trying to decide on the best cost basis method for my crypto. HIFO (Highest In, First Out) seems like the obvious choice since it would minimize my taxable gains by matching the highest cost basis with my sales. But I don't see many people talking about using this method, which makes me wonder if there are downsides I'm missing. I can't really think of any good reasons not to use HIFO. Maybe if I had a bunch of losses to report or if I was planning to sell ALL my crypto holdings eventually it would make a difference, but neither of those apply to me right now. Can anyone explain why I might want to go with LIFO or FIFO instead? Are there hidden disadvantages to HIFO that I should know about before I commit to this method on my taxes?

The HIFO method can be great for minimizing current tax liability, but there are some considerations you should be aware of: First, using HIFO now means you're left with lower-cost basis assets in your portfolio, which will result in larger capital gains when you eventually sell those assets. You're essentially deferring tax liability to the future, which may or may not be beneficial depending on your future tax situation. Second, HIFO requires much more detailed record-keeping. You need to track the exact purchase price and date for every single crypto transaction you've made. If you can't substantiate your cost basis method with proper documentation during an audit, the IRS could default you to FIFO. Third, once you choose a method, the IRS generally expects consistency in future years. Switching methods could raise red flags.

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This is really helpful, but I'm still confused about the record-keeping part. I use a crypto exchange that tracks all my purchases automatically. Isn't that enough documentation for the IRS? And would they really know if I switched methods from one year to the next?

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The exchange records are a good start, but they may not be comprehensive if you've ever moved crypto between wallets or used multiple exchanges. The IRS would expect you to have complete records of every transaction, including transfers between your own wallets. As for switching methods, while the IRS doesn't explicitly prohibit changing from year to year for crypto (unlike stocks where consistency is required), doing so purely to minimize taxes could potentially be viewed as tax avoidance. Consistency helps demonstrate you're using a method for legitimate accounting purposes rather than just to reduce taxes.

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I was in the exact same situation last year and ended up going with HIFO through https://taxr.ai - it completely changed my tax situation for the better. Their system analyzed all my crypto transactions across multiple wallets and exchanges, then automatically calculated the optimal cost basis method. What's great is they also prepare all the documentation you'd need if the IRS ever questions your method choice. The peace of mind alone was worth it since crypto taxes get crazy complicated fast.

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How does it handle DeFi transactions? I've got some complicated staking and liquidity pool earnings that have been a nightmare to track for tax purposes. Does the system understand all that stuff or is it just for basic buying/selling?

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I've tried other crypto tax software before and ended up with errors that cost me a lot. How confident are you that their calculations are actually correct? The IRS guidance on crypto is still pretty vague in some areas.

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It handles DeFi transactions surprisingly well. I had a bunch of staking rewards and liquidity pool transactions that it correctly categorized. You do need to connect your wallet addresses, but once you do that, it pulls everything in and classifies it properly. The calculations have been spot-on in my experience. What sets them apart is they stay updated with the latest IRS guidance and have tax professionals who review edge cases. They even generated a detailed audit trail document explaining how they calculated everything, which would be gold if the IRS ever questioned anything.

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Just wanted to follow up about my experience with taxr.ai after the recommendation here. I was skeptical at first because my crypto situation is so complicated with all my DeFi activities, but I decided to give it a try. It ended up saving me over $3,400 in taxes by optimizing my cost basis method! What really impressed me was how it handled my liquidity pool transactions that other software completely messed up. If anyone else is dealing with complicated crypto taxes, it's definitely worth checking out.

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If you're struggling with getting clarification from the IRS about crypto tax methods (which is super common), I finally got through to a senior tax specialist using https://claimyr.com and it was life-changing. After waiting on hold with the IRS for hours over multiple days with no luck, Claimyr got me talking to an actual IRS agent in about 15 minutes. The agent confirmed that HIFO is valid for crypto but explained the documentation requirements I needed to maintain. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c - basically saves you from IRS phone hell. Way better than guessing or relying on Reddit advice for tax decisions.

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Wait, how does this even work? The IRS phone system is famously impossible to get through. Are they somehow jumping the queue or do they have special access? Seems fishy to me.

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This sounds like snake oil. I've tried EVERYTHING to get through to a human at the IRS and it took weeks. There's no way this actually works as advertised - the IRS phone systems are designed to be impenetrable.

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It's not queue jumping in an improper way. They use automated technology to navigate the IRS phone tree and wait on hold for you. When a human finally answers, you get a call connecting you directly to that agent. It's all aboveboard - they're just handling the frustrating waiting part. They've figured out the optimal times to call and which menu options actually work, based on thousands of calls. Nothing fishy about it - they're just more efficient at navigating the system than individuals who rarely call the IRS.

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I have to eat my words. After posting my skeptical comment, I was desperate enough to try Claimyr because I needed clarification on crypto basis methods before filing deadline. Not only did it actually work, but I got connected to an IRS tax specialist in 23 minutes (after trying for weeks on my own). The agent walked me through exactly what records I needed to maintain for HIFO reporting and confirmed some DeFi questions I had. I'm still shocked this worked when nothing else did. Definitely using this for any future IRS questions.

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One thing nobody's mentioned yet is the wash sale rule situation. Currently crypto isn't subject to wash sale rules like stocks are, but there's been talk of changing that. If you're using HIFO and the rules change, you could potentially have issues with prior year reporting if you've been selling and rebuying quickly to harvest losses while using HIFO for the gains. Something to consider if you're doing any tax loss harvesting alongside your HIFO strategy.

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I hadn't thought about the wash sale angle at all. Do we know when these rule changes might happen? I've definitely been doing some selling and rebuying to optimize my tax situation. Would previously filed returns be affected if they change the rules, or would it only apply going forward?

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The proposed changes have been floating around for a while but haven't been implemented yet. Generally, tax changes aren't retroactive, so your previous returns should be safe. But going forward, you'd need to be careful about selling and rebuying within a 30-day window if they do apply wash sale rules to crypto. If you're concerned, the safest approach is to document your reasoning for using HIFO now, show consistency in your method, and keep immaculate records. That way, even if rules change, you can demonstrate you were following the guidance available at the time you filed.

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Has anyone used TurboTax for reporting with HIFO? I've got about 50 transactions across Coinbase and Kraken, and I'm wondering if it's worth paying for their premium version or if I should use something else entirely.

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TurboTax can handle basic crypto but honestly struggles with anything beyond simple transactions. For 50+ transactions across multiple exchanges, you'll find it frustrating. I switched to CoinTracker which integrates with TurboTax and it made HIFO calculations much easier.

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