What I've been doing to figure out the $20 challenge money, is to only add the books and items I've sold since I started the challenge. I've been selling books for a few years now, on a casual basis. When I decided to do the $20 challenge I really stepped up my efforts to find good items to sell. It's fun to see the amount of money grow as I work towards my goal.

Today three books sold, but one counts towards the challenge.

Creator, Protector, Destroyer $4.48 profit

I'm going to get on E-Bay in a little while and list some more items.

$20 challenge total - $191.09