I am sure there are numerous other services/people out there doing something similar.  

Find out where they get materials and supplies and call the supplier for a reference.

In CA, and in my practice, subs cannot go inside my project site without registering their suppliers or another sub-tier, lets go back a bit, you as a homeowner, should NOT allow subs if there is no documentation that your prime is working with the sub, and you should issue the checks on the name of the SUB and PRIME. if you don't want this route, just register the subs and have the prime issue you a conditional waiver then after you pay him, give a penalty clause of $50/day if after 7 days he wont issue a unconditional waiver, have him sign something for every received check the minute you hand it to him.

I agree with you that Belinda is very reliable and knowledgeable, referred numerous people to her. 

We've lived at this property for 7 years and she loves my husband because he's done numerous improvements to the property, mostly at our cost.     1. 

There are numerous articles and news stories regarding "potential" home buyers.

There are also numerous podcasts that goes into the topics of renting and tenant/landlord interactions.

My GC owns a kitchen business as well and got the cabinets from his supplier.

After reading numerous real estate & investing books for three years I finally said enough is enough and took action.

I know there are numerous threads here and I've read many of them.