Offer your body for sex for a night or two a week. At proper massage parlours that are reputable I hate prostitution but it's a way of earning some cash quickly. However I think you could think of other ways like getting a job and saving some of your wages of you don't hevecto worry about bills and stuff!

A garage sale or selling to a pawn shop is the fastest way to make under $100.

Sell something like labor.

Panhandle? Steal it? Sell your body?

run an ad/website - help - my brother is innocent and I need ___ to prove his innocence

craigslist. the listing is free and easy. you surely have things others can use that you do not.

sdsd

get a job

Get a gun !