They ended up having to call customer support. 

They work for the builder, that is there client, you are NOT there client, you are there customer, and as there customer you get the MINIMUM as is required by law, the absolute minimum.

Sounds like the Buy here pay here car dealers that get a large down payment , wait for the customer to default , repo the car and sell it again . 

Without that it will be a tough task to accomplish unless you work out some custom structure or bring the GC on the loan with you so you can leverage their direct experience.

We use pricelabs to customize when people can book our units. 

I told them I wanted nothing more to do with them.Then they sent me a cancellation contract, but their customer service accidentally sent me the wrong one—saying they were going to refund me.

I once downloaded and analyzed Zillow data to find markets with attractive cap rates...

Take professional photos.I have only been a customer of Airbnb, but hosts have profiles that shows all of their listings.

I want an investor portal where customer login on our website and can invest and track everything there.

But figuring out your strategy whether its LTR, MTR, or STR I would focus on proximity to the university and other attractions of Waco, as they say... location, location, location, it's still very true.