Guideline #12: Budget money for management. Always.
Successfully managing real estate investments takes time,
discipline, and some acquired learning. If you are managing
your own investments, pay yourself for your time. Not only are
you earning it, but that way, once you get sick and tired of it,
there will be money available to pay a professional.
Guideline #4: The value of real estate is derived from its
use, or from its potential use. Over time, that often changes.