You can get discounts for several UG classes, sorta like extension courses for the hobbyist, I can't find the course catalog, so I'll go by memory
magicfingers - 101 Things to do with an Anus - hands on and in experience for you people who love going in through the out door. course materials - lube, lube, more lube
this course is the prerequisite for Waterclone's 101 Things to do with His Anus (sign up now, space is limited (although expanding))
seeker's - how to live in ny on 30 bucks a day - actually you will starve to death, but you'll die with drained balls
Mister NYC's Walking Tour or Roosevelt Avenue - come take a scenic journey to cosmopolitan Queens and take a stroll down a historic, vibrant avenue named after a president (which one? ask on the tour!) course materials - bulletproof vest, lube, spanish to english phrasebook, 100 one dollar bills
Just added!
IRVINGTON29's 'I Wanna Be a Ho!"
Not since Velvet Jones has there been a ho afficianado like Irv. He'll show you where to get donuts (hos love donuts), how to get an appointment book and then throw that shit out, bitch, cuz Irv don't make appointments! and everything else you'll need to suck dick for the benefit of some dude who love to choke yo stupid ass (Wayne Brady????)
course prerequisites - broken home, dire situation and lack of self esteem (boxcutters and condoms optional)