In this video I break down the taxes side of day trading—specifically wash sales—and why you can’t afford to ignore them if you’re active in and out of the same names. Most people hear “wash sale” and assume it only matters at tax time, but the reality is it can change how your P&L looks on paper, how losses get deferred, and why your broker statements might not match what you think you made or lost. I walk through the core idea: if you sell for a loss and buy back the same (or substantially identical) security within the window, that loss doesn’t just disappear—it gets pushed into your cost basis. I also talk about the practical side for day traders: how constant re-entries can stack wash sales, why this is especially common if you’re scalping the same ticker, and what you should be tracking so you’re not surprised later. My goal here isn’t to give you legal advice—it’s to make sure you understand the mechanic, the common traps, and the right questions to ask your CPA. If you’re serious about trading “your way,” you need to know the rules that can quietly change your results.