However if I do this I know this tenant will bad mouth me more frequently to the other tenants in the building.

Im in your part of Florida frequently.

The two most frequently used companies for this service are KBKG and DIYcostseg. 

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I had to ask questions to get explanations about frequent repairs.

Maybe it’s a personal thing, but I’d opt for a walk-in shower instead of the bathtub as I don’t see families as your target audience for this setup. 

There's a ton of competition for real estate and it's crucial to make the most of every chance you get to connect with your audience. 

If it's close to Morton Plant Hospital your target audience would probably be traveling nurses.

I am American, but I moved outside the states a couple years ago, but I expect to start spending more time back in the PNW in the the next few years, and a stretch goal is to be able to accommodate friends and family when they visit, which should be increasingly frequent.

Every system you try will have flaws, or you may salivate over a feature that appears in other software.Some familiar names are mentioned frequently: Stessa, Apartments.com, RentRedi, TenantCloud, Innago, RentManager, Avail, Rentec Direct, Doorloop, etc.I recommend conducting thorough research on each app online to understand their offerings, pricing, etc.