So, if the parties negotiate with each other, it is always an element of negotiations to say to the other party something along the lines of, "You might be right in what you are claiming that you owe me only $XX, but you will have to hire a lawyer to find out, so save the legal fees and pay me $XX plus $YY, and it will still be cheaper than paying the lawyers." 

Legal residents of other states are not required tofile a Georgia tax return if their only activity for financialgain or profit in Georgia consists of performing servicesfor an employer as an employee where the wages forsuch services does not exceed the lesser of five percentof the income received from performing services in allplaces during the taxable year or $5,000.3.

I haven't been active on BP for a while because of my intensely busy life in the last year.

Im new to real estate just turned 19, tryning to be active right now.

I used to do hard money lending but I'm not actively seeking these opportunities, at least for now. 

I'm active in Berrien County, just South of your target.

BiggerPockets Family,I am active duty Air Force currently in Denver, CO but am about to move between December and May 2019.

My wife likes managing things and is super organized so we are looking to be a little more active in real estate. 

My question is how I can keep contact with these people in the mean time to keep that relationship, or if I would be fine just getting back in touch with them at that time when I'll be actively looking?

Still passive income, even if actively participating.