Same goes for many apartment buildings offering MoveIn Specials.So, if it's slow-time winter or a property won't rent for another reason, why waste time worrying about why it works or how to avoid it?

I think people were/are just trying to avoid agreeable gray.

@Brent Mendenhall The best thing for any investor is to avoid your company and those like it out of respect for their investment dollars.Why is there no formal agreement between RAD and DDH Fund LP when DDH Fund owes RAD's investors millions of dollars and collects rents on behalf of RAD.

I believe the competitors are more expensive with unnecessary features.

💪Flipping in C-D areas is smart for avoiding long-term headaches, especially when it's not worth the upkeep.

Does anyone take this info into consideration when looking at a rental market or is such analysis unnecessary?

The absolute best way to avoid taxes is not earn income.  

How can one do basic homework to avoid making expensive mistakes?

Creative financing can help sellers make more money, solve pain points, gets them the money they need, and help them avoid a high tax bill.

Lots of bad reasons.Full disclosure - I give advice all the time to avoid companies that require you to close with cash.