We estimate our property's equity to be between $100,000 to $150,000.

You will be well-positioned to be successful as a real estate investor if you keep expanding your knowledge, abilities, and network.Good luck!

They’ve secured low rates and rapid equity increases due to the last few years of Fed/gov intervention.   

With patience, they will eventually have positive cash flow and historically the appreciation whoops the cash flow.  

Real estate rentals are not really considered "businesses" in some sense because virtually all the value is in the equity of the real estate.

I don't want to remain in this house but my parents would like to keep it, just to have some equity in the US.

There are lots of SFH and MF units coming on sale but they don't seem to have a positive cashflow.

He was a nice person in a bad position, but still, I didn't owe him anything. 

Calling lists of high equity, older properties, or driving for dollars is a great way to start. 

Something to note, if you pay cash for the house and later require access to those funds, utilizing a HELOC (Home Equity Line of Credit) allows you to retrieve that money.Secondly, the right approach for investing depends on several factors.