Plus, tenants are paying $25/mo for pet rent and $45/mo to rent a washer and dryer from me (washer/dryer i got for free -- Infinite ROI there).

Always charge extra for pets as they tend to cause damage to floor g and baseboards. 

No pets over 25 lbs. 

We do have the current month to month leases so we have their very basic information but I would like more - employer, pet, vehicle info (on site shared lot), emergency contact info.

We do have the current month to month leases so we have their very basic information but I would like more - employer, pet, vehicle info (on site, shared lot), emergency contact info.

Or worse when it's pet (or human) accidents. 

The first is required to be trained to assist the disability, the first two are not pets and cannot be excluded, the third is and can. 

To remove the pet urine stains, I poured hydrogen peroxide directly on the stain, covered it with a hydrogen peroxide-soaked rag, and then covered that with plastic wrap and let everything sit overnight.

Are pets allowed?

As for the party on the 3rd floor, if they are breaking the lease by having unsanctioned pets, you can move to evict as well.As far as the weed goes, this is becoming a difficult grey area for me, as 'medical marijuana' is legal and getting a card seems to be trivial.