Here's a simple business idea you can start right now. A friend of mine who owns Private-Label-Resell-Rights.com did the exact same thing I had in mind.
He basically purchased the private label rights to 8 ebooks for under $1500, packaged them all as a business opportunity and has made an absolute killing by doing very little work.
All he did was change the books around a bit, get really well written sales letters and graphics made and that's it, a brand new product he can sell for $297 a pop.
Give it a try.Just be careful who you buy private label rights off. Make sure everything is legal and they have the right to offer you the private label rights to these products.
Make sure you can change the content in the books in anyway you want. This way you can turn other people’s hard work into your own work with very little effort.