It seems like a rural setting is about the only place a person could place one. 

@John Underwood "I would add this to the lease about starter supplies including cleaning products."

A simple explanation is DSCR is to finance the property based on the income or projected income of the property and a HELOC is like a credit card that will be given to you base of the equity of the house you are putting as collateral. 2 diffrent products consulting with a good mortgage broker that will provide you the information depending on your needs.

Immediately after closing, we registered an LLC so that we could protect our personal assets as landlords.

I know some software will do it for you but that is for more traditional lenders. ya the big lenders have a dedicated staff person for it.. 

I wouldn't spin your wheels.I'd love to connect and see what I can do for you on a 5-9 Unit DSCR product.

I know it's a radical idea, but talking directly to the person you have questions about is the best way to get answers.

It's harder to get started right now and people are unwilling to control there personal finances. 

Accepts 12 or 24 months of personal or business bank statements.

I've been searching for quite a while today and the only thing that looks promising is called water hero and its a kickstarter campaign that was funded but the product is still under development.