I'm personally not a fan of no cash flow.  

House hacking will also give you some personal "property management" experience.

The mortgage is likely also personally guaranteed by current owners.

Some takeaways from him:Treasury Regulations section 1.280A-2(i)(3) gives a couple of ways you can proportion the rental portion of a property--my accountant used square footage.Under section 280A of the tax code, common areas that you also use are considered part of your personal space and unfortunately aren’t counted as part of the rental space in the proportion calculation.

House hacking will also give you some personal "property management" experience.

We kick that person out and got a bill for $30,000.

If the land is separate from the mobile homes, you may be able to see what the county assesses the homes if personal property. 

That said it has become an issue in the recent purchase of my personal home.

If you can refinance and just pay off debts you can take out a personal loan after the refinance up to $50K.

I personally have used a heloc to purchase and renovate an investment property, like you mentioned I cashed out at the end and paid back the heloc.