I am also wondering if I could have a lawyer draft a waiver to eliminate any of my liability for accidents and what not on the job.  

Got the freedom, now what? Not

What you should learn from this, if you decide to follow the DIY rehab (with no experience), is what not to do, and pay dearly for this knowledge. 

What not to do is just as important as what to do!

I tried to use common eCommerce payment processors like Paypal, Stripe , Square pay and what not.

How many of your would-have-been clients made bad choices because you were forced to muck about in hearings and whatnot, and unavailable to help? 

It's those maniacs that buy homes cash via quit claim deed off of craigslist that really get screwed.Make sure your property manager is a licensed real estate brokerage.Google Clayton Morris and/or Morris Invest for a cautionary tale of what not to do when buying turnkey real estateUnderstand you can not eliminate all risk, only mitigate it.

If those are done or not required then yes you can do the title work and virtual notary and whatnot.

My feeling is that most of the good ones simply aren't that interested in wasting their time with investors when they can charge more from owner-occupants that need work done.I learned what not to do -- enough I could write a short article on it (still too embarrassed to publish it). 

5.75%, BUT since you're still evaluating things and whatnot, rates are still climbing while you're on the fence, so assume 6.25% to be conservative.