He pays seller's note ("outside" loan), and then the seller turns around and pays his loan ("inside" loan).

I learned about them from a Rent to Retirement podcast where they interviewed a former W2 FT sales guy in tech (that's me today...) turn real estate investor.

You can probably start the education process at 17, then apply for your license once you turn 18.

While the taxes on the listing may seem reasonable if it turns out they’re 300% more than they were two years ago just because the community has increased its spending this is a trend that will quickly make your cash flow evaporate.

A lot of newer investors want to get started in Real Estate and then turn the riskiest type of investment. 

When I have a rental that needs turned I text our cleaners and I'm on the schedule within 5-10 minutes.

That absolutely eats any potential cash flow.. we moved here because of cheap property taxes and turns out it’s not so cheap after all if you’re an investor lol.

You could have someone walk each unit and turn off the water supply to each toilet for 5-10 minutes and see if any tanks runs dry.

It turns out the machine was allowing free washes, and with a replacement part should be back up and running. 

But when it comes to choosing or creating investments that will produce a return along with personal fulfillment or enjoyment, then I say it definitely matters what you invest in and where you invest.