My purchase was a roofstock select, so it was through their affiliate agents in the local area.

i do think as others have said you'd need both the housing AND a support structure.one thing i thought of in response to your idea is the model Scott Jelinek uses:https://www.amazon.com/Art-SlowFlip-Scott-Jelinek-ebook/dp/B...i am not affiliated with Scott, have nothing do with him, and am not recommending this. 

I am not affiliated in any way with click2mail, just a very happy customer.

Xactimate (I have no affiliation and I wish there was a cheaper competitior).”

So far the Seattle area group Rise has been great and not pushy to purchase classes or affiliate, and has beeen recognized for their high volume in their actual real estate deals, in the Seattle markets as well as linking with the community in Ohio to buy rentals. 

Some names to consider are Affiliated Bank, First Financial and Cathay. 

Many registered near state lines are registered in the neighboring state or have affiliate relationships.

I have no affiliation with Locators Inc other than being a happy user of their service.Maybe the OP would benefit from investigating this company more closely; they are in the Philadelphia area and have operated there for at least a dozen years that I can remember.

On the overwhelming majority of the rentals I'm affiliate with the owner does not supply the washing machine or dryer.  

And no I am not affiliated with them in any way, other than me being a pain in their butts