They have a reputation to uphold and need to ensure they put the right amount of time and effort to it, which is fair. 

My options on what to do next is do I go it alone, buy a decent house, and manage it myself or use an established turnkey/PM with a good reputation in the area?

FHA got this reputation for being crazy unreasonable in the lead up to the crash.

Confirm that the provider has a pristine reputation (e.g.

Those "investors" tend to get a bad reputation quickly and find it hard to network and partner in our small market. 

I gave him an extra 8k off of what I knew I could get, because I wanted to add value to his business, and build a good reputation.

The reputable firms wont do that, they get a lot of referral business from agents and investors, because they don't oversell.

I started a painting business 5 yrs ago, scad painting and Preservation, looking to for new clients in the area, tired of working for the middle man, looking to work directly with investors, I can provide roofers, plumbers, drywallers, flooring, pressure washing and the painting for a competitive price, I'm a small business, not too fancy yet, but my work is grade A

Better yet, go to trade school and become a plumber or welder.

So we had our plumber go out and they made the repair for $65.