Racing cars - oh wait, that's fucking expensive lol ;D

Geocaching can be fun :)

Guitar!

warhammer 40k, but not cheap.......hang out with friends count?

Drawing really.. with all of the how-to books either online via torrent or just learning through other artists streams. it's something that takes a pencil and sketchbook.. Another thing is programming.. Because if you have a computer. minus well learn how to do shit with it.

yoyo!

I'd recommend programming as well. :3