Don't we all! However, it won't happen if you have your money in a bank. They are paying max 2% and that is if you invest in a CD for a long amount of time. What timeframe are you looking at? If you want to keep it until you are 65 then you have a chance. If you can start saving $405 per month by age 25, an average annual return of 7% means you'll have $1 million by age 65.
If you are looking for a short term doubling of your money then you will have to play the stock market and get lucky.