Understand the 50% rule.  

This means meeting the 750-hour rule, the 50% rule, and the material participation rule of 500 hours.

There's no rule though.

Looking at the big January 1st rule changes?

It's a lot prettier.https://www.newsmax.com/newsfront/irs-wins-14-000/...A cryptocurrency exchange called Coinbase that deals with bitcoin and other digital currencies has been ordered by the IRS to start forking over information about some of its customers.According to Business Insider, a U.S. district court ruled that Coinbase needs to supply the personal information of 14,355 of its customers to the IRS as the agency tries to combat tax evasion.The customers affected by the order conducted Coinbase transactions of more than $20,000 between 2013 and 2015, which includes 8.9 million transactions. 

Your bio says "Denver" but that could mean a lot of things and there are significantly different rules on renting out your property whether you're in Arvada, Westminster, Aurora, Denver proper, etc, etc.

Quote from @Christopher Berra: Quote from @Kevin Perez: If you want any advice feel free to reach out all of my rentals are S8 in several different states - every state has their own rules and guidelines but reach out if you are still interested What has your experience with Section 8?

Warren Buffett has a rule 1 of investing, which is "don't lose money

I would also be worried about the park rules and keeping my guests from breaking them.

Generally the rule is - if you are changing the location(s) of electrical or plumbing fixtures, you will need a permit.