As others have already mentioned, if you plan to sell, make sure you have a deliberate plan and reason for it.

Don't get overleveraged, make sure you have accurately-calculated cashflow on all your properties and be smart and deliberate with your acquisitions. 

Deliberately have a few challenges in your screening process - it will weed out "entitlement mentality" problems4) Allow payment plans, but create system to track when payments due, so they don't keep falling further behind You will need to call them on due dates or they will fall further behind Be prepared to give a strong NO when asked if you will change rent due dates to "make it easier" for tenants to pay rent based upon their SSI or paycheck dates.

They either chose not to deliberately or forgot. 

I've watched some people who deliberately don't park in front of the house where they are visiting and park blocking another person's garage across from where I live-there is no one parked in front of the house they are going to. 

Educating yourself and being deliberate will increase your likelihood of success and accelerate building wealth.

However I'd add that you should deliberately invest time in networking.

He is extremely petty (deliberate noise violation). 

You hit a point I've been deliberating on as well, the question of buying for equity vs cash flow and the ability to convert / restructure to cash flow heavier when/if necessary, having grown equity position. 

Deliberately have a few challenges in your screening process - it will weed out "entitlement mentality" problems4) Allow payment plans, but create system to track when payments due, so they don't keep falling further behind You will need to call them on due dates or they will fall further behind Be prepared to give a strong NO when asked if you will change rent due dates to "make it easier" for tenants to pay rent based upon their SSI or paycheck dates.