It depends on the discounted deals and they are not the same everyday. Everyday is different
On some discounted deals I made about 400% return on my investment on some I made less.
This post is by a banned member (Lone_WolF0) - Unhide
I just purchased the EBook, The ebook contains some pretty basic information about where you should be purchasing and where you should be selling your KEYS, All in all its good information to get started but i would say it might not be worth the 20$, I would say 10$ would be a better price for the information you get