It’s not as common, though cause it takes a lot more work

But I have no problem actually paying them, cause I made so much money.  

Poor rental payment history is a common cause for non renewal. 

If you get front loading units tell each tenant not to overload the washer because it will cause the seal to give and make the unit leak.

Multi-family properties typically draw transient tenants, singles or couples without children, who stay only 1–2 years and cause moderate to serious damages.

You will lose money by the time you pay for evicting them and the damage they cause.

My guess is that it's a lost cause with no recovery, and has been that way for a while. 

I only invest in A and  B areas  that usually makes renting some what easy .Having rentals loaned out to the wazoo can cause a lot of stress on owners to rent out immediately  .If the market softens up winter etc...

There was a plumbing leak in the crawlspace under the house and is causing the high clay content soil to heave.....causing a 3-4 inch rise in the middle of the house flooring.   

Here’s how:Efficiencies Through Scale: By owning and managing a portfolio of properties, we can control operating costs and avoid the rapid rent hikes caused by liquidation or speculative investors.Economic Stability: Affordable housing becomes viable when tenants have steady incomes.