built a foundation for a house, if you build "off" or "off of" the foundation, the house will fall down. If, however, you "build on" the foundation, your construction will be strong.

"Off" and "off of" do not actually mean "on" in spite of their popular use.

you wouldn't use it too because it makes no sense. The team wants to "build on" their success not "off" or "off of" (another commonly used phrase). "Based off", "based off of", "build off" and "build off of" should all be replaced by "based on" and "build on".

Think of it this way: once you have

Good piece. For future reference, the "a" sound in "Wab" is pronounced the same as in "swab".