Check with the municipality where construction is being done to get their take on the development.

Meanwhile, explore options with other STR PMs. 

I just am thinking in terms of holding costs between the time you buy until you can sell.Any help with answering any of these questions would be great.

Let's help you duplicate that success in the Houston Area.I am a Houston, Texas based Investor Broker/Agent who has worked with over 400 BiggerPockets Members and Investors. 

Need I be concerned with UBTI?  

I am interested in working with MB capital in getting unsecured line of credit and possibly hard money lending.

I've been seeing far too many people with bad experiences and not enough with positive ones, unfortunately. 

The loan is with you, not with your tenant, so none of that means anything to them - in fact because you live in one unit and it's under 4, if you were self-managing you don't even have to abide by fair housing laws (at least on the federal level). 

@Caryn FischerI agree with Jaron, you should definitely have a consultation with your tax accountant and/or financial planner before you do anything. 

Ours is a holding company with a registered agent.