I could likely see many things from the TCJA being made permanent, mostly procedural items like the higher standard deduction and child tax credit (Plus eliminating exemptions).

It's about having an income that will enable you to maintain your current standard of living for life.

You can find online mortgage calculators that allow you to play around and see what happens if you do an extra payment or increase your payments.

That method will increase your ROE significantly more.Also read the BP book on BRRRR investing.

It’s becoming increasingly frustrating—the seller refuses to provide any proper documentation.

Debt increases risk.

@Shawn Tuma & @Chris KayVery difficult in today's market to cashflow putting 0% down:(5-10 years ago it was possible, but prices have increased faster than rents.Your best bet is to find a property that needs work, but will still pass a VA appraisal/inspection. 

For example, some states the standard inspection period is 14 days, but you can request longer or shorter in the offer letter and if the seller agrees and signs, its binding.

Hindsight Critique•Continue to build relationships to increase deal flow•Property manager (Mercer Hughes) is critical to completing renovations and quick tenant placement•Continue to build relationships with private lenders and personal investors•Have cash available to make quick competitive offersDid you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

After 1976 trailers were considered mobile homes and standards were upgraded.