Some have separately metered utilities, while others have allocated utilities. 

I plan to use the profits and the knowledge of my local market from the process and utilize them to start flipping houses and invest in more rental properties. 

Stair treads are either removed or covered most commonly. 

I have done this numerous times with single-family properties, but is it common in larger multi-family properties?

Ok, that sounds great and we would definitely cover that requirement as we would plan to utilize the property personally likely around 4-6 weeks/year. 

What type of utilities does the park have and who owns the homes?

To take it further, get expenses as well - utility bills, schedule E, etc. 

Since you're so close to the 24 month mark I would try to utilize it as a primary home for a few months so you could sell fully tax free. 

While the Springs is proposing an Airbnb ordinance, it is much more favorable to investors.)Enforcement #s from Jan. 1-July 31, 201853 reports completed by Denver's excise and license division, all related to questions of someone's primary residence status47 provided necessary documents to prove primary residency6 cases referred to City Attorney's office112 complaints of non-primary residency70 open STR investigationsNew requirements for new and renewing licensesUnlike before, you now have to prove your primary residence by providing at least two of the following documents: vehicle registration, driver's license, voter registration, tax documents or utility billFuture options the committee is considering** Note: any changes to the ordinance would have to go through the Denver city council process and therefore is months if not a year off.

Is this common?