I had a relationship with the owner.

I could go on and on why it's the best, but just trust me as I've been to scores of them and this is the one that I have learned the most and made the most valuable relationships at.

We are looking to build long term relationships.

Read the book deals on wheels by Lonnie ScruggsDrive the parks in the neighborhoods you may be interested in working in then start building relationships with the owner/managersif you just want to rent mobile homes or if you going to sell them you need to be in relatively nice safe parks Good luck

I suggest you build a relationship with a real estate agent and learn about the areas you’re looking into.

Ideally, i would want a working relationship that lasted throughout the year (not just during tax season).

I think you get my point.With the size of your operation and scaling it, I'd expect that you have a relationship with a real estate tax accountant who can guide you.

Must be able to read people and establish relationships with trusted vetted support staff and do it all remotely.

@Andrew Freed These companies also do not address concerns as quickly as necessary for your tenants, so the hidden costs of these delays may be hefty to your tenant relationships. 

Remember, right now, you are not looking for deals, you are looking to build relationships.