I found this ebook and it works wonders! selling it from 0.02BTC. Users with 300+ post can have a copy to vouch for here on this thread. PM me if interested.
Vouches:
Got a vouch copy.
Definitely a potential money maker. It does however take time to earn anything, along with some luck. I am sure you would be able to earn the ebooks price back in a few days, and once you hone in the method you could make some decent money.