I know it's quite a lot of information in the Terms & Conditions where everything is explained. Have you checked this post where I break down the Model Mechanics comparing them to most other curation/upvote groups that have been around?

Basically, all you need to know is that if you are in it for the long run and bring content within the minimum HP / quality requirements you are better off with some shares from this program compared to HP in your own account in terms of returns.