To do this I must have tenants however tenants are unpredictable and unreliable, a necessary  inconvenience.Your tenants:1) As long as you give annual rent increases and maintain her rent at market she is acceptable.2) Make the essential repairs and properly train your PM on your expectations.

Unfortunately, appreciation is unpredictable and is more of a long-term strategy, not a way to quickly build wealth in my opinion.

But markets behave unpredictably.

However, these things are unpredictable.

Yes, appreciation which is sometimes unpredictable, but you know REI, buy smart.  

Issues with our jobs have made income unpredictable.

temperature changes are sometimes unpredictable however based on whether it’s a windy or sunny day.  

They had 1 person who simply opened the door and went walkabout unpredictably, they are not allowed to lock doors.

The lower the class, the more expensive and unpredictable the repairs get.

The HELOC carries more risk and unpredictability that's difficult to calculate with it.