How To Become A Millionaire

There is a simple tip to become a millionaire by 40, no you don't have to have a high paying job. Its actually quite simple: As soon as you start working (Say around 20.) You put away $25 from what you make and put in into a separate bank account. Than around the time when your in your 40's or 50's combined with your regular money: (Say $4000?) You'll have near a million dollars!
Another BECOME a millionaire trick from
http://genxfinance.com/2007/05/07/the-top-5-ways-to-become-a-millionaire/
Is
1. Make money
2. Don’t spend all of your money
3. Save some money
4. Invest that money
5. Repeat

What do you guys think of money? Why is it the main idea of the world?