Not a position anybody wants to be in, but he apparently doesn't disclose that.There are ways to do this much more safely, but of course, you need proper training and to be told what to avoid.It is predatory.

A lot of tenants might not know how to use it properly. 

So you can really get an idea for the market and if a property you are looking at is properly priced!

So, they got taken advantage of.4) They didn't do enough research on comparable properties before doing repairs - so went either overboard or slumlord, instead of properly Maintaining to the Neighborhood.The other challenge we encounter often is investors expecting perfection.

However, once a portfolio is properly diversified in a rather small number of different investments, the portfolio has reached maximum risk aversion by diversification.  

While not every mentor is a guaranteed path to success, proper vetting through referrals, review of a mentor’s track record, and alignment between the mentee and the mentor can shine some light on whether or not this relationship is a good fit.

-Proper SEC guidelines/filings were not followed to raise capital from a large group of unaccredited investors. 

There are various other items that may come up such as: Proper firewall suppression, adequate entrances/exits for fire safety, stair safety, size of kitchen appliances, etc... for my specific example. 

As @Patrick Drury mentioned- the West Side does not have any POS areas (besides Lakewood, but it's only needed for previously non-owner occupied/rental properties) Something else to consider in Cleveland proper is Lead Safe Testing ..

For house hacking, ensure rental and personal use are properly allocated for deductions.