If we have the choice, I think we will go with Orchard… But would love suggestions if there’s a better option.

What choice do we have? 

Not to mention if you need to go FHA (assuming you plan to occupy a unit) you have to pass the self-sufficiency test. 

I offer a substandard product that’s cheaper than anybody else to people who make poor choices .

You do not have any choice but to pay cash.

Since my tenants are usually homeowners it doesn't make sense for me, but even for the couple travel nurses I've had, the background/credit check was sufficient and seeing how they communicate with me prior to booking.

or, as you said, reach out to them on linkedin be sufficient place to start?  

You owe him nothing, he isn't your friend, and he seems to dislike you based on your personal choices so I certainly wouldn't spend a single second worrying about his feelings.

Assessing your financial status and looking into financing choices.

This can be very expensive and is usually the worst choice because you can't justify the cost.2.