I am self employed basically as I run my own e-commerce business.

It would be awesome if Rent Manager allowed me as an owner to go in and layer in my PITI, so that I could have a complete set of books (I e-mailed them to ask about a potential solution they'd recommend).

I think a fundamental understanding of investing in general is more helpful than most of the actual real estate investing books.  

I can't speak to the wholesaling bit, but Think and Grow Rich, Rich Dad Poor Dad, and The E Myth would all be on my list of top investing & business books.

Every property us changes hands every 7 yr i beliec e.

private lenders dont e mail you.. 99% sure its a scam  advanced fee due diligence scheme 

(e) Enforcement. -- If the holder of a lien on real property or his agent fails to provide the release within 30 days, the person responsible for the disbursement of funds in connection with the grant of title to the property, after having made demand therefor, may bring an action to enforce the provisions of this section in the circuit court for the county in which the property is located.

@Lynnette E., I will do a little more research.

Engineering and real estate investing have some fundamentals in common. 

Investor A and Investor E is doing all the work and paying for the rehab costs.