can they send it to collections, they have my address and name, how they can impact my credit score?

I am am not sure how it will impact the debt to income ratio.

It'll make the biggest impact for you long term doing so because anyone can help you find a place. 

Asking for a price reduction is third, as it will not impact your cashflow very much.

It also dramatically impacts my numbers when calculating ARV and pulling up comps so I've been having that challenge with my calculations as well.

I've had social workers working for agencies who routinely defend their client's behavior, as if violent, argumentative behavior, domestic violence, illegal drug use, violation of lease terms, and of course, always combined with non-payment of rent, were just a "cultural" difference. 

Flipping at its finest.”As such, he doesn’t expect Opendoor will have a significant impact on the Northeast Florida real estate market.

However, if you place some of your assets in the LLC, the box, then a personal lawsuit should not impact those assets.

If that combined lump sum is enough to have a major negative impact on your parents lives if it were to be lost/diminished significantly then you might want to reconsider taking this idea any further.

The reality in this business is that the term of a lease has no positive impact on how long a tenant stays.