A LOT!! Lol. I'm broker than a gay holland cops wrist. You get beat 40% on the euro. However- I still was saving like 3 dollars a gram on pot, compared... I dropped about 2900-3G's overall. 1300 on airfare, my portion of apartment was 350, and another 1300-1400 spending. That was my plan- I've never left the northeaszt u.s. I refused to nickle/dime it. I enjoyed myself. Bought a shit-load of gifts. W/ that said- I actually survived first three days on 180 euro comfortably (about 300 usd). Then I went nuts lol. Worth every dime.