I am reading the Intelligent Investor by Benjamin Graham right now and I am betting these letters will supplement the book nicely.

I had planned on being an agent only part time, for supplemental income, to gain experience, and cut down on transaction costs for my own investments.I contacted a brokerage that is widely viewed as the biggest commercial brokerage in my area.

Don't market the other unit to a family, find another "herbal entrepreneur" and double the rent!

If you are looking to build a portfolio of cash flowing rentals to create passive income and supplement a retirement, get the fixed 10 year loan.

The only supplemental thing I did was to call previous land lords for references.   

I know one realtor here in Texas who makes good supplemental income with just doing BPO's.

I currently own my own sports supplement business and personal train as well. i am getting married in june and have always wanted to invest into real estate. i am tired of trading time for money so starting next week i am only personal training from 530am to noon monday through friday and the rest of time i want to spend learning the game of real estate.

Technology is a great supplement to make life easier for tenants and owners, but I think the more important factor is the people.

Maybe they have substantial savings from an inheritance or settlement and they draw from that to supplement their monthly income? 

My dream is to supplement my current W-2 income with passive real estate income within the next 10 years.