Khuutra is right... I wish I started saving/investing earlier..
If you were to put say 3,000 a year into something that yielded 8% interest from the time you were 16 to 25 (10 years) and then didn't touch it - just left it there, by the time you hit 65 you would have over a million just from the interest... :P
I started way late, was probably 5 years or so ago when I was 25... I now have about 50,000 with all my different investments, so to give you an example, if I stopped now and got 8% every year by the time I was 65 I'd have less than 700k :(
Start young grasshoppers!
Unicorns ARE real - They are just fat, grey and called Rhinos