tough one! cuz when i consider something as a mistake i usually regret it.
hmmm... well there was something i did when i was like 8 or so we had a fair from school and we got coupons to get soemthing to drink and eat and so and we made like 98427348792 copies of those coupons and got a lot of free food and drinks ; )
but yeah they found out ; ) ...lol, i should have made a career in fraude or so

new Q: what is your greatest wish??