Keg of dwarven ale for party in marhan's grotto... 10k
pimp clothes/duds/armor... 60k
Finding out the girl that invited you is actually a guy, Priceless
Cost to set up a monk for solo'ing Underworld: 100k
Time spent to find 8 man group for Underworld: 45 minutes
Cost to get in the Underworld with said 8 man group: 125g
Watching the rest of your team die while you stay unharmed, downing dwarven ales after agroing all nearby attaxes: Priceless
Oh yeah, that is the funniest way to mess with people.