- Would you do it for a dollar? - I even coded this. Basically person can ask someone else: would you _____ for a dollar? And if other person does it and uploads the proof, he gets the money

Sounds like you're undercutting fiverr.com :)

You have a dollar? - As beggars beg in real life for a dollar, how about begging online for a dollar

giverr.com? :D