I have saved many fall out deals from reputable lenders that I use on a day to day basis, It's just the client is not very familiar with the lender's process/ guidelines and/or the rep was being very unethical (bait and switch.. etc..).

Also to note my brother is a journeyman plumber who is willing to help on any plumbing repairs should they come up.Financial ConsiderationsThe numbers look good using the BiggerPockets calculator, but I have concerns about our ability to pull off a BRRRR strategy due to cash reserves and DTI constraints.

The inspection period usually lasts 7 to 14 days.Ensure the inspector is reputable so you can trust the feedback.

Get to know people in the various trades (plumbers, electricians, carpenters, painters, siding installers.)

Although the investor is in the drivers seat, as the borrower you should be helping to provide a good experience as reputation is everything. 

Did you ever locate a reputable property management company in the Macon area? 

Quote from @Isaac Ballew: Go to indeed.com or monster.com and look for a job with a larger, reputable property management company.

Would he demand to see a card when a plumber visits?

That is a very dishonest way to operate your business, and will get you a bad reputation and lose you money.

My father studied to become a plumber and my mother worked in a dry cleaning shop.