Free! We do not charge fees for posting questions on the site.
Free! We do not charge fees for purchasing tutorials from other users.
20% or 40%. If your tutorial is purchased by the person who asked the question, you'll earn the bounty less 18%. That's about what it costs us to process the transactions and keep the kittens fed for you.
You'll make great money selling tutorials to the original question askers. But we're not leaving it at that. With Student of Fortune, you'll make even more money selling your tutorials to lots of other people... tutorials can be sold dozens or even hundreds of times! In these cases, you'll get 60% of the bounty. That's totally free money.