It will be a very gratifying process.

Peer to peer sharing of stories from individuals some of which have more expertise than others in a certain topic but all of which have something valuable to share. 

Reroof if you have 3 people whose whole expertise is in roofing suggesting it.Doing a poor job will do more damage to the structure below, then you will be reroofing and replacing additional wood.Your roof probably isn't leaking right now because the plywood and framing below are acting like sponges to absorb the water.

After working with a few attorneys who pitched expertise, I decided to just do it myself (they didn't have any real expertise).

Appreciate everyone’s expertise.

Regardless you will need to get a real contractor on this one, someone with flat roof expertise.

His expertise with construction allowed us to get into commercial properties and have ownership interests in them even when we don’t put our own money in those deals!

I'd much rather focus on other sources for buyers and sellers that are more inclined to talk to an agent and respect our expertise and time. 

In direct investment, to achieve returns that beat a typical syndication, you will some type of experience or expertise that gives you a competitive advantage over professional active, direct investors. 

I see his point, but I do want to be fair to him given his investment in time, expertise and connections.