Im so confused what category to put things like all the decor we bough for the house, pillows, plates, kayaks, paintings, coffee and tea,furniture, sheets, mattress, couch, everything we bought and continue to buy to make the property a vacation rental....there is the "supplies" category but I also heard some things go into the the depreciation category like furniture.

Memory foam mattresses, with one coil bed for traditionalists.

You're going to run into this in most of the major STR markets because within the last 2 years we have seen a massive spike in available inventory.In order to compete with the competition now, hosts/owners/operators need to step up their game and be willing to invest in good quality furniture, memory foam mattresses, high quality linens, professional seasonal photography, etc.In the high desert, most visitors are looking for peace, quiet, privacy, and amazing scenery so this means stay away from purchasing homes in residential neighborhoods with neighbors on all sides.

One day I drove by and saw a homeless guy slept on the mattress that one of the students threw out.  

We scheduled phone calls with about 800 of our investors, 400 down and 400 to go, and so far the feedback has been about 80% see this as an opportunity.  10% are stuffing their mattress, and 10% are looking at stocks. 

[4] Renting out rooms (with a mattress on the floor) as a flop house--subletting while still living there to gain extra spending money.[5] Criminal activity by 'friends" (who do not live there) who come to visit 24/7-365, aka dope pedaling to cars out front?

You can save money buying from consignment shops, but don't skimp on quality or use a dirty mattress you find on the side of the road.

Other than mattresses, bedroom furniture usually lasts longer than furniture in the common areas of a home.

We are providing air mattresses in addition to our bedrooms/beds, so we already plan to have extra sheets onsite just in case they are needed.

Yes,, I actually have listed on my move out / cleaning cost this type of thing listed.I charge 35.00 per mattress, 50.00 bucks a sofa,, Ect along with labor fee's to move it out.