Put your pocket change at the end of each day in a jar. If you put away a $1 a day and invest it tax free (Roth IRA) and get a 10% annual return, that $1 a day will be worth over $67,000 in 30 years. Not bad for pocket change.
"When there is an income tax, the just man will pay more and the unjust less on the same amount of income." - Plato