As I can't quite tell if the cleaner did not fully restock (I ask the cleaners to be generous with the restock), I'm leaning toward covering all the extra charges ($300 worth if I include the extra time our hot tub maintenance person had to put in to restore the tub/water) but leaving them a 3-star review, knowing they may push back in their comments. 

Find out the life expectancy of a hot water tank, then bill the tenant the difference.

In this heat have lots of cold bottled water for the guys .   

Does it have a drinking water well that has clean drinkable water for human beings?

With their lease renewal coming up we'd like to include a flat rate for their Water Sewage and Garbage (WSG) portion of the utilities.

This room has the washer, dryer, and water heater. 

If the rent of that 2 bedroom was $1600, that person would expect to pay $800 rent and maybe another $250 for electric, water, heat, internet for a total of $1050 all included.

Draft the letter, let the attorney refine it, and they can give you the risks associated with your plan and hopefully keep you out of hot water.

San Antonio is an rich vibrant city full of affordable housing, tourist attractions (Alamo, riverwalk, sixflags, white water and more), military bases (Fort Sam Houston, Lackland Air Force Base, and Randolph Air Force Base) and surrounded by great suburbs (Stone Oak, Alamo Ranch, and the Dominion).San Antonio reclaimed its spot as the nation's fastest-growing city in 2023. 

If it's permissible then the #1 feature for top producing STR's is proximity to water.