I'm starting to realize that investing is something I want to consider learning for long term as I spend more time in this industry.

They love the nostalgia of it and wouldn't consider replacing such an important and historical thing.There is no script that will lead you to success in this, but friendly and collaborative will help.

I was originally drawn to it because I wanted to have one place where all my tenants paid rent and where they had the option to set up auto payments. 

Most advisors consider the two (2) year holding period mentioned above to be very safe, but remember it is your intent that matters. 

If you’re set on a duplex with minimal rehab, an investor focused agent should have a strong network of contractors who can give you quick quotes, so you don’t wind up with any pricey surprises.

Technically it would be best to get a C Corporate or S Corp. to flip properties and since you are considered a dealer if you do several properties a year and this could have negative tax consequences in an LLC.

I was thinking this might work on my property in Redding and can be adapted to a shared housing project for seniors (though I'd want rooms large enough for bed, bath and seating area)  It's my understanding that it is considered a SFR with seperated bedrooms as far as planning.

Set on 3.3 acres, this home has everything your buyers are looking for: a brand-new septic system, a state-of-the-art wall-hung boiler with radiant heat, and a stunning new kitchen complete with updated appliances and an island for gathering.

You could also consider house hacking locally.  

A broker shall not be responsible for supervising, nor shall the licensee be responsible for operating, within the scope of the brokerage or within the requirements of this chapter, activities that would be considered property management, including leasing, maintenance, and repair, so long as the real estate being managed is "individually owned" or "entity-owned" as defined below:(1) "individually owned" real estate is real property in which the licensee holds an ownership interest; and(2) "entity-owned" real estate is real property owned by a corporation, limited liability company, partnership, or trust, within which entity the licensee holds an ownership interest as an owner, trustee, partner, or officer, or in another beneficiary capacity.