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

More than that if you finance. 18% interest.Renatus Claikms to have superior knowledge...i just want to know is it really the Real Deal?

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?

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

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.

For example, Isle Royale NP is an island in Lake Superior with only camping.

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

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

(Both toilet supply line failures if that’s worth anything.)I went with their remediation company (Service-pro) and their contractors for a few reasons. 1)They started everything the day of the leak/flooding. 2) They guaranteed everything, out of pocket costs, timeline, quality of work, a year to find any defects, etc etc  3) it was quick, painless, worry free.