I keep finding conflicting information and the IRS website doesn't specifically mention using an RV as a STR.

I’d simply ask in what situations where the broker and the brokers firm did nothing to facilitate the sale do you think you should get paid a commission?

Managing a property hours away can be challenging if any issues arise, but having a third-party property management company could help handle those situations and make things more manageable.I think you are in the right place to gain some insight on what would make you successful. 

In most states, Airbnb rules are city and county specific.

My biggest advice for people would be as follows.Know why your in the real estate game, and why a specific niche.

In your situation there is actually another factor that may work in your favor.Only the proceeds allocated to the sale of the building can be used in a 1031exchange. 

I am just starting out with a STR and found that VRBO is not very specific if they are collecting the tax and paying it to the State as a marketplace facilitator or am I responsible for this tax collection and payment ?

Was there a situation you encountered that deterred you from self managing?

You'll have tenants that don't pay, damages made, and potentially other disasterous situations occur on your properties. 

I had a freind who partnered with someone in a similar situation, and they were able to acquire their third property much quicker than going solo.There's also the BRRRR strategy...