I don't have the skill set YET to gauge rehab costs and try to BRRRR, but I'd like to learn.This is definitely a choice but my option is that you will do better if you focus on duplexes and cherry-pick a few SFRs as you come across them.As for your Strengths, it sounds like you have an excellent ability to save and your ability to bulk analyze data will serve you well to identify big-picture areas, property types, and characteristics to focus on.I like that you realize the first investment will not be your best investment.

The property alone is worth a million but is generating an estimated $250k/ yr with the ability to add 3 units on site and acquire an additional 13 acres.

I can check the Register of Deeds site, type up a deed, and purchase a house in 2 hours.

Quote from @Stacey Miller: Did you end up finding the best platform/site to do this?

Self-Serving Bias.

I agree with @Jonathan Greene that the question is vague, so my advice will have to be as well.The short answer: MTRs are real estate, so just like all real estate, any place that can long-term-rent cash flow with increasing jobs/population can be a suitable site to purchase. 

It looks like according to the county site (sbcounty.gov) they require all renter payment go to the active owner. 

We serve plenty of flippers/wholesalers who make around $500k/yr and some are higher.Once your salary is replaced (or a good portion of it), then stabilize the flipping/wholesaling with a great team so it doesn't require as much of your time/energy.

These things need so much power that unless the site has access to major grid access point you're wasting your time. 

The city serves as the headquarters of several well known American companies including: Cerner Corporation (Oracle), T-mobile (Sprint), AT&T, BNSF Railway, GEICO, Garmin, Honeywell, and Hallmark.