It’s a lower quality standard than most new construction homes.

This is true whether those clients were on the optional recordkeeping program or not.I don't have a lot of details and am not personally involved in this program, but I have experience with SEPiraK separately and they are a quality operation.You can reach out to info at sepirak com to learn more.

Are their listings detailed with good-quality photos?

We ask them to provide an air quality test done by a licensed company IF we do not see visual evidence. 

I still feel that books, audio books, podcasts, bigger pockets, and mentors in your local market are the best source of growth.

Seems to me that at scale, a portfolio like Luka's would indeed build wealth over time and open up options to transition into higher quality appreciation markets several years down the line, with the benefit of more capital and (more importantly) more experience.

That is where a good GC comes in, we are quality men and whistle blowers for the customer.

Added cheap square footage and improved features - ie. additional bedrooms, quality outside space, and upgrades throughout

Some have quotas, some don't.Like anything in real estate the gatekeepers of the knowledge are the people in the market on a daily basis. also greatly depends on the velocity in the market place the price points quality .. etc etc.. tons of factors for builders to consider when negotiating with buyers and or the buyers agent.

I am currently house hacking in Fort Worth, renting out rooms in my house.I am having issues with finding quality renters, though.