What is Grant Cardone's missing piece?

Andrew analyzes the video of the legendary sales trainer and his strategy for storing money. From Nomad Capitalist point of view, saving 40 percent of your income is not enough, since you are paying another 40 percent in various taxes to the US government.

The point is, if you are willing to move from California to Miami in order to save money on tax, why wouldn't you go even further and take your wealth overseas while saving up to 80 percent?