If your strategy is to create cash flow, your rapid rise in rent would most likely be detrimental in the short term.

If you are not greedy with your allocation of components, you usually do not need to hire expensive professionals for such a small project.Finally, are you 1031-ing into this project? 

Financing will be a key component as Login stated earlier.

Is there an experience component to receive the license in NY?

The risk component is hard to quantify for you on a message board and your life circumstances weigh into any advice that someone could give.  

Now, I did look into that and understand it can be detrimental for the listing agent to have to be at every showing, but this is a complicated piece of land and I feel someone needs to be there for the showing.

That's the important component.

Have not really experienced mobile home lots that were not in a park and have the land component to deal with / and or leverage in on any particular deal.

The payments you receive have two components, interest and principal. 

From a yield and investment to value (LTV component) standpoint, the note purchase would be acceptable to note buyers.