If you do nothing else with investing and you just hold on to this portfolio until retirement age, you are pretty much guaranteed to retire a multi-millionaire.Of course, if you'd rather build your portfolio using the method that I used to purchase most of my current portfolio -- the BRRRR strategy using private financing -- then you don't have to be as careful and as meticulous in your planning for purchasing your first house hack.

Screen tenants meticulously.  

Bookkeeping needs to be meticulous as you regularly pay bills, then send a bill to the tenant(s) to pay back.

The area is full of block clubs and people that meticulously take care of their properties.