1. Just say no!
2. Teach them to procrastinate on purchases.
3. Create jobs for your children at an early age.
4. Create a budget.
5. Make them question their spending.
6. Help them to pay themselves first.
7. Teach them to understand the power of compound interest.
8. Explain how compound interest can work AGAINST them.
9. Have them read about the rules of money.
10. Give back. (TITHE!!)
Dave Ramsey is another great resource for financial advice based on Christian principles.