It's kind of fool proof unless someone is bad at screening tenants. 

I have a 100% fool proof way you can do it.

The standard locks are simple and foolproof to rekey/master.

It's not foolproof, but asking other local investors is usually the best practice since they can give you direct recommendations and experience from working with those vendors.Thanks!

It's not foolproof but it will help limit the risk here.  

Too many people in BP are quick to think that anything in RE is foolproof and anyone who says otherwise is incorrect, without having all the relevant details.

Also, their inspection report is not fool proof.

I would say it's pretty much void - it's not like it's foolproof right from the beginning as you'll leave your name and signature in all your are doing unless you are paying lots of money to an attorney to represent you in all transactions and documents.And be careful when transferring title with QCD, as you might lose title insurance.

I usually get 10% interest, and I can sell the note if I need the cash back (at a discount of course)     It’s not fool proof, but when done correctly I consider it to be one of the most safe, and profitable, of any investing strategy. 

My advice to younger investors is to internalize that there is no "right way" or magic formula that is foolproof.