Unfortunately they frequently beat me

“Projections are frequently far too rosy and difficult for the consumers to understand.”Your description could be applicable to a 401k, 403b, 457, TSP, and so many other types of accounts that offer loans. 

I've messed up a handful of times over the years, but an occasional misstep is not considered co-mingling as long as it is not frequent or habitual.In this way, you'll preserve your entity protection and make your CPA happy at the end of the year with all the perfectly managed bank accounts and each property with its own reporting.

Yes, we did.Here is why: market was a falling knife, loss next month will be worse, subject property not properly insured, and pants on fire "person supposed to pay borrower" is going to cut corners and try other tricks.

Any other methods or tricks?

An old landlord trick to mix a bunch of old white cans and paint the entire property that color.

The second cause, and one that is not used as frequently, is essentially a monetary lawsuit. 

As long as you set up the right type of entity you'll be all set.Thats why people you have people that run business, lower that income with all the tricks in the book and ultimately you'll have a lower tax % then most.

The demand is constant and if you are willing and able to deal with more frequent turnover, I say go for it.

The trick is knowing how to play the publishing game.