I'm looking to hang my license up with a new brokerage that had has extensive experience with established investors or buying & selling investment properties

You establish an LLC for additional liability protection once you have done the first two things.

Your question seems to be "how can I save for college in some way other than the program specifically established to give me tax breaks to save for college?" 

But being a waterfront 2/1.5 in this area, makes it still viable for families that visit our area - our boom for that is really fall, the place does a lot to market it that time a year.

This allowed us to open a bank account in the company name and establish credit. 

We do have friends that left the city when they had kids, but they usually had kids earlier in life before their career was established enough to afford city prices.  

We work closely with a company that will perform "remote closings" on site, as well as "mail away" closings for signatures, and the money side can all be done via wire transfer.Before you expend a lot of money and effort, establish some partners and systems to make everything more simple and efficient.

Find one that preferably has an established network of contractors, plumbers, electricians, etc. in place that are used on other properties they manage so you don't need to find those people yourself.Secondly, you'll need a good layer and accountant.

This ideally should be a SFH investors long term plan to establish a lucrative and stable retirement plan.  

I have excellent credit and a few lenders lined up with pre-approval, I settled on one that was very responsive, very knowledgeable, established, and seemed to have slightly lower closing costs than some of the major popular routes (such as Rocket Mortgage).