For what it's worth, some ideas I've seen pitched are grocery bundles (e.g. a breakfast bundle for 2-4 people with eggs, bacon, bagels, cream cheese, and OJ all pre-stocked in the fridge), meal kits, a pre-stocked drink fridge, charcuterie boards, premium coffee selection, bike/e-bike/scooter/kayak/canoe rentals, video game consoles, upgraded work-from-home office amenities (e.g. oversized computer monitor), etc.I'm not a lawyer, but cocktail kits, bottles of wine, local craft beer, and other alcoholic items seem like they would fall into a grey area from liability perspective. 

For example, I mention that every adult must pay a $30 application fee, pass my credit/criminal background, make a combined income of 3x the rent, and whether or not the property accepts pets.

Peter - I would start by reading a few multifamily underwriting books and watching a few underwriting videos on YouTube.

@James Wise The owner of Holton Wise Property Management (a very large very well respected property management firm in Ohio) has tons of examples of this on video on his website.

With 3 adults and 2 kids we could have rented 3 hotel rooms, or perhaps 2 hotel suites.  

You arent going to estimate anything from a video .

I have watched several discussions, including David Greene's video, around the recent lawsuit against NAR and RE brokerages.

If this happens and you think he's abandoned the place, you can go in and secure the place yourself.There's some youtube eviction videos that may help you.

Robuilt has some youtube videos where he covers these tax considerations.

Watch YouTube videos.