I have found broker who will relay me borrowers' information, so I only need to find someone to borrow for low interest rate from.Any help will be much appreciated!

I ma here to learn and I will not pick and choose how those lessons are presented to me!  

I saw another builder local to me offering 4.99% financing. my question is how or who can offer financing like this on houses I build ? I am guessing there is either a preferred or in house lender with large amounts o...

Is there a reason you're choosing to build out the building next door as offices?

The only people who succeed at birddogging are the ones who learn everything they can and know it's going to be a low-paid slog so they do the work hard and one day it changes because you have earned more.

Why pay off a low rate interest.

The city's macroeconomics is looking great - lots of population and job growth due to the booming tech scene and many companies choosing to move and develop here.

They are inexpensive, they usually come with mineral rights (big plus in Texas), they typically have short redemption periods, low rehab costs, and sell quickly at the right price; they also have large ROI. 

The net result is basically the same, but it keeps the two properties separate from a lenders perspective.Any low down payment money, particularly on an investment property, is going to come from a private money lender.  

This would also allow me to keep my primary at a low rate loan.