Just write up a bill of sale for things like tv's, furniture, etc...

I went to the property and I saw from the window that all kitchen appliances were removed and furnitures (except some seem like abandoned) were gone.

Our STR businesses are composed of RE assets + cashflow from bookings + Furniture + Intangible GOODWILL which includes the setup, fine tuning of amenities, the experience of all the parameters (minimum nights, pricing, ....), returning clients, past reviews (screenshot from vrbo/airbnb and post on a dedicated website, etc...).

He never sent somebody to clean the inside so I bleached it myself and tossed out containmed furniture.

However, if you have a truly excellent single older adult, non-smoker, no pets, coming with little to no furniture, and he will be the only occupant, giving you a honking big damage deposit, plus he doesn't mind that you're gonna have it on the market while he's there, with showings, you might consider it. 

We stay in them frequently, and they always seem to be decorated for the area, ie Mountain homes are log furniture, old skis on the wall, pictures of bears.

The carpet installers will move the furniture out of one room into another, install carpet, etc. they do it all the time.

While under contract before we closed a tenant up and left (leaving a bunch of furniture behind).

The only thing that will hurt LVP is sliding furniture across it without protecting it, it should be common sense buuuuttttt......

Building furniture and a photography business may be a good combination.