Even if you don’t appreciate math you probably think there is something wrong with my arithmetic.  Four minus one is three, not zero.  Everyone knows that.  But give me two minutes and I will demonstrate I’m right.

Specifically, I will show you how your entire profit from four excellent financial investments can be wiped out by a single loss.

Suppose you have a one hundred dollar bill free and clear from the shackles of rent, food, transportation, or insurance (you do like fantasy, don’t you?...