What are the best books to read for information/tactics regarding wholesaling?

Is the home turnkey or in need of major or minor repairs.

These people are not going to risk a move to work at a startup like these absent some sort of premium or major upside.  

They are in need of major rehab, but there are right on the main intersection in a small town.  

Trying to negotiate with a contractor to budge on the plumbing costs, he wants 10k to pipe a 2,200 sqft. duplex, I need the number to come down to around 6k.With all the things that need to be rehabbed, I've noticed the electrical and the plumbing are major areas of contention.

For new investors looking to buy, renovate and refinance, doing it themselves, this can be a major landmine!  

I can't afford to make major mistakes, because I have 3 major priorities (kids) depending on me.

I'm sticking close to home, focusing on Castor/Mayfair. keeping costs down and focused on learning than on major profits.

It seems like the majority of lenders I come across will not go below 20% which tough as this means I would have to put $30k down and I did not want to tie up too much of my liquid assets in one property.  

I did two and a half semesters at TAMU-CC (computer science major/Business Management Minor),but I dropped out because I did not want to get a loan and that was the only way I could afford it.