I imagine. My spreadsheets probably aren't detailed enough. I just track what I paid. The fee, btc price, sats received, and date of purchase.  I can't imagine trying to figure out the cost of the bitcoin im now selling to pay my credit card....

Yeah the tax thing can really screw people if you lack good spreadsheet skills and overall tracking of your sats 

BlokchainB

bitcoin_beginners

The six pitfalls of getting on zero.

That sounds really difficult. I keep the absolute bare minimum fiat just to get bu, specially because of the headache of dealing with taxes. 