They also sometimes put in the infrastructure and then sell it to a developer as well. 

Partner can or you can hire a pm2) property has not enough equity to heloc or sell at return but prospective partner is willing to buy into the partnership. 3) even if the partnership ends up being short lived, there is an opportunity for further appreciation in that span.4) you fear the risk of a poor season.  

I challenged the company, suggesting that they can't possibly be making 2000 calls each day and speaking to ~200 prospects per day, generating only 3 leads in a span of 1 week.

Its those kind of brokerages that work with investors developers builders etc etc.

When I search properties mainly in Punta Cana I always run into sites where condos are in development and have about 1 - 2 years till completion.

Develop a system and checklist.  

The reason why "large developers"  finance their real estate with ease is (1) track record; (2) balance sheet/liquidity;  (3) Global Cash Flow.

Most investors at these events are helpful and good people to get to know and develop a relationship with. 

having that out of the way, let’s discuss the type of market that provides the best value add prospects.  

The population is growing, there's tons of development opportunities, and a nice mix of industries - tech, healthcare, manufacturing, etc.