Interested in this thread and topic as well @Kyle Bouldin. 

I'd definitely be interested to hear if any of these add-on platforms have opinions on this specific topic - for example, if the guest purchases an alcoholic add-on through this third-party add-on site, do they have any waiver of liability which extends to cover the host?

A more general observation on this topic, intended for you and any future readers - find out from the agency that has control over this area exactly what it takes to LOSE grandfathered status.

There are many topics on BP on this subject that you can search.

But our state association - Ohio REIA watches the local cities very closely on these topics so I see the updates. 

It's great to have you here.Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/m...Set up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/a...Read Beginner’s Guide: http://www.biggerpockets.com/r...Check out BP Money Podcast: https://www.biggerpockets.com/..Wishing you the best!

I'm working on my investment spreadsheet and have been doing some reading on the topic of Cap Ex.

@Ivan Terrero I think I found the post @Chris Seveney mentioned. https://www.biggerpockets.com/forums/70/topics/1170394-when-...

Here's an article with additional FAQs on cost segregation studies that you may find helpful for your questions above.

Listen to podcasts here on BP, read posts about this topic, and keep learning.You can do it!