@tom shallcross summarized this well in another post and just inflate your numbers up for a $665k purchase price and $2300/mo per unit for rent.Borrow 80% which is like $3700/mo for Principal, Interest, Taxes, and Insurance.

What are the odds of a vehicle accident resulting in a settlement greater than vehicle liability will cover?

Its been a wild ride though doing all this through massive inflation and supply chain issue and Covid..  

Again you can buy more properties in lower asset class area, but it's less efficient.There are many threads about appreciation, so i won't repeat it here, but my guidance to you is to think through the difference between appreciation and inflation. 

Financial freedom isn't simply about replacing your current income, because inflation continuously drives up prices, making a fixed income insufficient to maintain your standard of living.

I'm done buying inflated NNN rents at 6-7% caps. 

Planned energy-efficient HVAC installations will replace outdated ceramic heaters, reducing tenant utility costs, lowering insurance premiums, and qualifying for utility reimbursement programs—a win-win for tenants and investors alike.Inflation HedgeReal estate is historically a strong hedge against inflation.

If your reading some "How To" that came out between '2010' and '2020', that's some good fire starter, and that's about it's value in this market cycle and odd's are the market cycle of the next decade or two. 

The odds of default go up significantly for those who have no skin in the game.

But in reality you might just want to think about using a standard savings account And taking a hit from inflation on the cash because the delta from the higher interest account to the regular account is not really that much on small amounts.