Just want to go where I'll have the most success house hacking.

It's not huge at 2200 sq ft for a 5 bedroom house, but they are usable bedrooms. 

I renovated the entire home while living in it for a year and a half, moved out, and made it my first rental.

My wife and I were both teachers at the time and found a great house in an “emerging” neighborhood.

Afternoon, I have a seller that’s open to subject to, but back out because their LO said they wouldn’t receive financing for their second house.

I saw some interesting single family houses (newly constructed) in the range of 200-300K, for examle in:McAllenEdinburgSan JuanMercedesHow can I deep go into research about those cities and neibarhoods in term of demand for rentals and for sales?

Challenges like unexpected renovation costs and tenant turnover can arise but with proper preparation and management, you can achieve great returns.

We used private money and seller finance for acquisition, raised rents, renovated one building, and sold each building separately as 4 unit buildings.

So I started these last 2 flips and finished the renovations within 45 days. 

We've flipped a few houses in the past, built a few, remodeled a few,etc.