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

There will be much more government spending and jobs created in Mcallen to secure the border, leading to continued population growth.

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

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

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

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

Wide and deep question.

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.

A Heloc can never be used as a PITI reserve, or an asset instead its a debt burden and an additional trade line on credit.A Heloc carries a higher risk when it comes to security meaning if you miss a payment even by mistake or for any reason, your scores drop, or your balances start to change your DTI or usage percentage.

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