Here are a few simple ways to improve guest experience beyond design and an amazing product (which I highly suggest you have!)

Do deep market research to grasp market trends and property worth.

IowaThe trend is towards the south or interior of the country, but what about those looking for Ocean friendly investment States and communities?

Most investors keep 30-50% equity in units in case if they have to face a downward trend in the future.

I found this one surfing around https://jerrybarker.com/calcul... but we usually just average the income out then use https://propertytracker.com which isn't designed for STRs but works fine after averaging the projected income outside of the app.  

From what I've gathered in forums, there is a trend towards transitioning from coin-operated to cashless systems.

https://www.rentcafe.com/average-rent-market-trends/us/al/or...

Few solutions have truly mobile apps actually built natively for the platform (iOS or Android) they're serving and most force you to choose between reasonable price OR effective user-first design.

I had built a new build on Aiken  First modern design on that side of town ;)

Simple as that.So, ultimately my suggestion is to look into whether you can design your lease such that you're able to prevent and address hoarding situations.