My husband went to YouTube and learned how to lay pavers and it took the entire summer but we finished it and it looks amazing.

I have been listening to their podcasts and watching their YouTube videos for a couple of months. 

And that is with historically low interest rates, which lowers the yield.That's my two cents.For more reading, check out Andy Tanner's book 401Kaos and Nelson Nash's book Becoming Your Own Banker or lookup videos on YouTube by Patrick Donohoe or Todd Langford.Hey Wa, you're never too late to start in real estate!

I use third party real estate companies such as HomeUnion and Roofstock that run their algorithms on emerging or stable markets. 

Go to Youtube.

If I was at Stanford in the mid/late nineties and was doing research on the best search / crawling algorithm on the web, then the best business strategy would have been to get into search.However, 7 years later, probably not.It really depends, a lot, on a lot of things.

Most are generic...selling the same advice you can get online from places like here and YouTube for free or very low cost.Books are good. 

I've covered a bunch of post on SDIRAs for syndication and YouTube video blogs.

Assigning a contract is NOT wholesaling. 99% of all guru's and YouTube videos teach it wrong.

Start with educating yourself via the podcasts, search through the forums, read articles, books, watch Youtube videos by successful, reputable investors.