However, it's a seasonal destination (May-September is hottest).If I rented it every day for a month, it would generate at least $7,500.

Dallas has the business travelers so your place will stay filled but Orlando/Kissimmee is a tourist destination with people bringing families and willing to pay a pretty penny. 

It needs to be on a route that a lot of RVs travel or it needs to be near a tourist destination.

I live in a very expensive real estate market, but we also are in a big vacation destination location..

When you select your property you should pick it more based on its appeal as a destination rather than your personal opinion. 

It seems destined to happen at some point though.  

Looking into potential Airbnb rentals in close(r) destinations to me such as Big Bear, Palm Springs, etc. 

If you've perused these forums much, then you'll see that the Triangle is probably one of the top 5-10 destinations for Out of State Investors, combined with the local investors, all of which makes the market HOT. 

Bakersfield is getting that new casino in.. and Joshua Tree has always been a destination for anyone I know. 

I grew up in Destin, NW Florida, and like it down here much more.