Toasterwater, I'll second what someone else said - it's knowing when's a peak and when's a dip that is the challenge. Day traders do this professionally using all kinds of mathematical formulas, starting with simple things like moving averages and other things I have no clue about. Check out
this introduction or browse
Investopedia if you want to learn a little more.
I don't mean to discourage you, what you described you are doing sounds like a reasonable way to jump in and start learning first hand. The suggestions to use simulation money were wise, but I can see how using real money makes it more interesting.
You might also check out
321gold, a site I read daily. For me, gold and commodities are where it's at.
Stephen's advice is spot on as the best way to build savings and wealth. On the other hand, if you are looking for a hobby (with potential for profit - or loss), trade early and trade often!
