This would also prevent me from using the HELOC for a different type of investment like BRRRR or fix and flip.

It might be worth a follow-up closer to the move-out date to confirm their plans, but avoid excessive contact to prevent escalation.

Quote from @Makan A Tabrizi: Quote from @Marcus Auerbach: We try to get ahead of the issue by preventing it in the first place.

That means weekly on going preventative maintenance fixing small problems before they become big problems. 

To be transparent, there is not 100% full proof way of preventing fraud.

We put a sign on every property to: attract tenants, create brand awareness, and to help prevent scammers from using our properties as bait. 

Also prevented us from making wrong statements on our part which would have reduced the claim.3.  

Quote from @John Underwood: LOLI'm certain they will add restrictions to prevent people from doing this.

But then we have to get into talking about the passive loss rules, which may prevent you from actually being able to claim a tax loss if the deduction is more than your rental or other passive income.Or you can claim the actual expenses (gas, insurance, etc) for the vehicle and regular depreciation, proportioned by the percent of business use of the vehicle.  

In neighborhood it is very important to present your self to the home owner next to you, this helps a lot to prevent misunderstandings. also this shows your professionalism.