You do have some leverage because the tenant fears loosing their voucher if they don't comply with the lease.

You might loose some bookings but you would maybe find people who tend to stay for a longer duration and that would cut down on the amount of cleanings and time spent booking guest.  

Here's a good website, check out Number 3 in particular: https://www.abodo.com/blog/landlord-renter-scams/"The law of tough renters bounds them to lie a lot and over time they grow quite proficient at it"

But I’m bound to learn as much as I can.

She was going to loose the house and bought it for 50k plus $2500 for back taxes.

I'll start with the disclaimer bound to step on the toes of everyone  . . . it's not possible to know whether this is a good or bad deal. 

Cheap HOA – loosely enforced.

Mistakes were bound to happen in that condition. 

Anyone that does that is bound to slip up and/or go out of business.

(If the tenant is suddenly liable for an extra $50/month for utilities,  I would think the landlord may loose significant base rent revenues from lowered apartments rents upon renewals or possibly more move-outs.