When the tenant moved-in, he received the property, professionally clean and freshly painted. 

Also, yes the tenant is responsible for maintaining a clean over, but your wording suggests that it wasn't exceptionally clean to begin with. 

.), security (cameras, noise detection, security policies, etc), cleaning and upkeep would be provided by me and my company for the duration of the lease.

And what is a healthy/realistic profit margin to be attractive to the bank/investors?

Purchase price: $80,000 Cash invested: $30,000 Purchased this 8 lot + 8 home park in November 2019 for $80,0002 trailers were junk so I called the local religious cult and they are taking them for me (saving me $$$)Cleaning them up 1 by 1. will rent them out for $850-$1000/ home.

By the way, our lease explicitly states that tenants with animals will be charged to place the unit back in a pre-animal state including furnace and duct cleaning (pet allergies due to dander is not uncommon).  

If not, however, we took a home that was stuck between the 70's and early 2000's to a clean, more modern-feeling home.

Some time down the road they may want to clean up their credit and negotiate with you. 

I flew into Pensacola and spent about 18 hours a day for an entire week cleaning up the property and getting it back in order and filing police reports (happened to be a felony because of the stolen fire extinguisher).

Hey all, so i had the notice to quit assigned to me after beating the sellers attorney over the head with talk to the effect of litigating for a clean sale.