This is invaluable, and not without strings, it allows me to pursue deals that would otherwise be out of reach.As they have retired we have discussed their plans, and I have told them that I would rather have $10,000 now than 100,000 in 30 years.

How else will you be able to possibly pursue collections without SSN, job & bank info?

As far as replacing your current interest rates of 3.5-4.5%, that is a bullet you would have to bite to pursue access to equity.

If I decide to pursue my studies there to obtain a license, do you think my completed subjects would be credited toward obtaining the license?

Would be open to pursuing a similar path down the road. 

If you do this you'll have a huge pile of money that will allow you to pursue whatever strategy you want very quickly.If I had to do it all over again, I would buy a personal residence as soon as I could, probably house hack, then buy a new personal residence as soon as I had the money for another down payment then turning the old house into a long term rental.If you're just starting I'd also recommend listening to the Bigger Pockets and Real Estate Rookie Podcasts.

It's almost always a waste of time when an agent is involved, to try using subject to, or the property is listed or the owner says they are not interested in pursuing subject to.

Wasn't sure it was worth pursuing. 

The best thing you can do for yourself is to learn about the different strategies that you could pursue in real estate (Flipping, rentals, etc.) and pick one that best suits you.

To me that sounds like something a prosecutor could pursue if they were so inclined.