It would be a good idea to assess your tolerance to risk and then plan something like that, but using a heloc is going to be around 9-11% in this market so to pay something off with lower interest rate to borrow more might not make much sense.

Are you in the Atlanta Market?

Are they off market or on MLS? 

For all methods you would want to find a market that has strong employment rates, strong income rates for the market, and is a growing or an established market. 

Spent a summer weekend hunting for on-market deals on days off with a realtor.

Your focus on the Dallas market and Fix and Flip projects sounds solid, especially with the DIY approach and having an interior designer on your team. 

I was thinking of starting a rent increase for my 1 bedroom tenant voucher due it being low and well under fair market value(Based on  hud and zip code) but my tenant is in the process of having a caretaker for her disability and getting approved for a two bedroom voucher.

The market is almost as great as our football team.

Nice to spot your introduction.. what's the biggest hurdle you're seeing in today's market?

The same money could buy 1-2 full properties that would rent for more, depending on the market you choose.