However, excessive shifting could indicate that the opener isn’t secured tightly or aligned correctly.

You know your goal isn't to leave the 9-to-5, you have a great job with good scale and security.

More secure and stable than an STR (also less competition) but you aren't in the red like you'd be with an LTR. 

He's on SSDI (Social Security Disability Income) at just under $1,500 a month and he wants to do some wholesales to make some extra income.Lets say he does a deal or multiple deals and makes any assignment fee on it/them and the profit exceeds 1.5k which is higher than his disability per month.

Do you have a way to secure more off-market deals? 

Wide and deep question.

The letter confirms the amount of security deposit and the "paid through" date for rents.

not to mention also they become zombie notes collateral will deteriorate pretty quickly if they are not winterized and secured ( which takes time and money)

Ask him what makes him feel more secure in the deal?

That seems to vary widely from state to state.