Let's say you buy a house for 1 BTC. I sell that house for $250K. Two things can happen: * I made a profit if acquiring that 1 BTC cost me a lot less than $250

Let's say you buy a house for 1 BTC. I sell that house for $250K. Two things can happen: * I made a profit if acquiring that 1 BTC cost me a lot less than $250K * 1 BTC = $250K