To my children: It is very important to understand the principle of supply & demand. Pricing, one of the vaguest thing about life that you'll encounter in life, is highly affected by this. Supply
This is one of those realization that i wish my children will learn sooner than latter: confidence. The way I see it now, confidence comes from realization of:
1. What people are expecting
This is the lesson that I learned and I truly hope my children will understand:
1. There's a price tag for everything.
2. Here's the important part: the price tag isn't always monetary.