Things like...soap (P&G), food (AWG), clean water, Monster energy drinks, toilets, medicine, coffee, beer, and everything tech related.  

In our AirBnB we pay, water, sewer, power, garbage, Netflix, 6500 in startup capex for furniture, decorating, towels, monthly expense in cleaning fees, monthly expenses in soap, coffee, toilet paper etc.

Take a small bowl, put apple cider vinegar and a squeeze of dish soap in it.

Toilet paper, dish soap, dish scrubbers, light bulbs. 

Some of the unique features on this home were our 3 dimensional honeycomb soap inlays, and our Shou Sugi Ban fireplace pictured below.

Low flo washer works great but instruct the tenants to use less soap or even better pods.

By way of cleaning, you can start offering a la carte menu of services like supplies (paper towels, toilet paper, soaps...), then amenities like flowers, coffee, snacks, bottled water, staging (light PM tasks), and the next thing you know you're managing their listing and bookings.I don't know why this isn't a more popular business idea, but I guarantee that if you took to social media and some online advertising saying you have a cleaning service geared specifically for STR's, you'd get a lot of attention.

Making a water solution of Dr Bronner’s Peppermint soap in a spray bottle and doing a treatment 1-2 times a week, especially near any food/water sources will send them running for good within a month.

So, if you were to paint the bottom of the tub with a super slippery paint to cover up a scratch... that would probably put you at risk of gross negligence and they can come after you and your LLC.Steps off soap box.Now, for your actual question.

What about consumables like paper towels, toilet paper, soap, trash bags, anything else I am not thinking about.