He took a 401(k) loan to fund the down payment on a four-unit building in a rapidly appreciating neighborhood.

Your cashflow to achieve $80,000 per year takes a lot of rental units.  

For example for a few holes in the walls they have someone paint an entire unit and take their spread.

Its taken some time out on the west coast but we did nail a 10 unit for a 7 cap right off of MLS in the portland market. 

A purchase you made in 2020 or 2022 would not really be thought of as a BRRRR because I'm guessing those units have been rented since then and were not just sitting vacant with you paying on those mortgages.

I have bought a couple of units and now working on my own development.

Both units are approximately 400 sqft, "yurt-style" cabins with large decks.

If you are buying another home, I think there are also ways to transfer your mortgage.We have mortgages that are similar to that in the United States but use different terms to describe them.

It came out to $823 in expenses and in the area Section 8 is paying $11400 to $1600 a unit.

The other is a triplex, all units are 2 bed 1 bath.