If it’s just the way you said it, then everyone will have been rich. Since you think It’s not really difficult, it’s just to buy a coin when the price is still very low, and when it gets to $1 and above, then sell. Seriously, it’s not easy the way you think. Don’t be surprised that after buying some coins, it’s going to keep on dropping and might never rise again, or after buying some, it might maintain the price at which you bought it and might not really increase the way you will be expecting, and if you are lucky, it’s going to pump, but it’s difficult to know the one that will pump, so it’s not so easy the way you think.