As far as negotiating furniture, I would include “furnishings negotiable” or “comes furnished” in a contract.

By practicing that and setting a goal to get 1% better with each interaction, in time, you'll be at the top of your game.

What could I expect to cash flow per year including on and off season?

The BiggerPockets podcast and resources, including books by J Scott, are excellent tools to learn from seasoned investors and gain valuable insights.Utilize BiggerPockets Resources: Make use of the podcast, articles, webinars, forums, and other resources available on BiggerPockets.

People want flexibility, mobility, convenience, and automation...including residents, not just travelers. 

There are just too many red flags here (including your inexperience) for this to be the right first MHP deal for you.Attend F&D's bootcamp (www.mobilehomeuniversity.com), get educated.  

Price point for Hostfully is approximately $1200 per year and they do charge an onboarding fee that includes a pair of individual train g sessions done online.  

That included emptying the septic ($300ish).

I have a client with an STR in the mountains outside Denver who has a hot tub, a sauna, hanging lounge chairs on the deck, a pinball machine and arcade games.

Hey Forester - Direct mail is a numbers game.