They paid at least 25% down on each property, and 80% of their houses are fully paid for. A fully paid for house can generate quite a bit of income. 14 of them will provide a very nice income.
You seem to think that “it can’t be done on two teacher’s salaries”. Yet, they have done it, so that thinking is just plain wrong. Other people could follow the approach they used and succeed just as well. The math and the approach are quite straightforward.
It’s working very well for us. I’ve been reading their posts about real estate for the last 4 1/2 years and using what I learned to build up our own rental property portfolio. We’ll have 4 rentals on the market in by the end of the year, if not sooner. That will provide us with an annual profit of about $24,000. Not too shabby for 2 1/2 years work on a side business. All four will be fully paid for by the end of the year.
We expect to retire from our day jobs next year and have every expectation that our wealth will also continue to grow. This stuff really works.