Bwarlitner: We are giving you back a percentage, between 27%-50% depending on which site, of the rake that the poker room takes from every pot you are playing.

You can go to Rakeback - Play and get paid - Stackback.com , and on the right hand side you will find a rakeback calculator. Use this, and you can find out an estimate of what a rakeback deal is worth for you per day/month/year.