After evaluating the numbers, we negotiated a purchase price of $45,000, ensuring enough margin to cover renovations and still secure a solid profit.

It's been a while since I used it, so may have changed after TransUnion purchased it.

You have to be ready to make 3-6 months of payments on the mortgage yourself after they stop while you try to foreclose/evict them.

After that, I changed PMs' and a year later, still not sure if I'm safe from "cash grabs." 

Thats $7700 a year NOT including my accountant/Tax prep. 

Salaries, compensation, rent, taxes, utilities, fees, MLS, etc.The flat fee model is a recipe for disaster."

There are people out there who just cruise to places inventing problems so they can get discounts or free vacations after threatening low ratings.

Self-storage has cooled a bit in the past few years (after an insane boom the years prior), but there are opportunities if you can dig them out and are willing to do the operational legwork.

Do you know if that could work the same with something purchased at a tax auction?

After that, I expect very little.