My ‘highlights’ have been Hoa ‘weed notices’ or Air conditioner outages.  

Current residents have complained about high electric bill d/t window air conditioners to cool unit during summer d/t broken heat pump. 

But honestly, I just don't find their prices to be any better than the Big 3 wholesalers (costco, sam's, bj's). and also, their site UI is pretty horrendous to use - i find it much easier to search, sort and find items on costco, sams & bjs web sites than hdsupplysolutions.com.For regularly restocked supplies (TP, paper towels, shampoo, conditioner, soap, etc), does anyone know of anywhere cheaper to buy than the big 3 wholesalers' web sites?

Then you have to account for your time spent answering inquiries, booking guests, coordinating cleaners, telling people for the 27th time how to operate the remote control or air conditioner, etc.When you make a complete comparison, the AirBnB option may not produce a much better return and it can be a lot more work.

Things like coffee, tea, bottled water (our tap water is really hard and tastes gross), as well as items like toilet paper, shampoo, conditioner, hand soap, dish soap, etc. 

They are finally putting air conditioners in the two upstairs apartments, and are gutting the two downstairs and making it one big apartment, putting new carpet isn't one of their priorities and they are cheap, so I contacted my landlord and asked if I could replace the carpet, I took the measurements of the apartment and roughly it could cost anywhere from $350-500. 

Let the tenants provide window air conditioners and their own washer/dryer.

I believe the other units in my area have wall mounted air conditioners but I don't know if its standard for tenants to bring their own or not.What would be best way to find out?

I'm sorry if I'm missing something obvious here but the title of this thread is how to make sure you tenant will change an air conditioner filter, so why are we talking about furnaces??

Toiletries (toothpaste, soap, hand soap, shampoo/conditioner).