Maybe a property or two they'll do the whole comp analysis with the contracting bid and deliver it, but if you pass twice do not expect them to answer much anymore.I use wholesalers for 85% of the deals I source. 

Overpromising and under-delivering in terms of expectations at times.

Unlike Vegas, where tourism can be hit-or-miss depending on conventions or events, Florida’s Panhandle delivers steady demand every season.

While no service is one-size-fits-all, we’re confident in our ability to deliver exceptional results for clients aligned with our approach.  

How about the simple obvious that the inputs to deliver the service/product have a base-line and market prices have, OBVIOUSLY, been at about as lean of operating profit margins as can be. 

Quote from @Kwok Wong: Letters of Intent are different for everyone.

What is the best way to find good general contractors (reasonably priced, delivers on time, committed to quality) ?

I would send a letter to all units of the building reminding them of the clause in the lease you cited and let it play out from there.

Is he going to just tell you to knock on doors and write letters, or is he going to introduce you to well vetted agents in your market that are known to source deals and sell for realistic prices?

., 2021 and pulled $150k out to invest with a builder in SW, Florida who has yet to deliver the first of three houses in three years.