I am thinking of buying coins that are 15% or more down and then selling once they pump 10% and move onto the next one that is 15% down and then again sell at 10% profit and just keep repeating.
Stay away from pump and dump games, you will regret it later.
I agree more if you start investing instead of taking advantage of the pump and dump situation on that altcoin. You should probably ignore it as much as possible because in most cases the trader will lose money because of it. But if you want to trade, then do your analysis on some good altcoin even if only for small profits.
I agree with you. This may work one or more times, but very soon you can lose money because of this strategy. You very correctly noted that you should first learn with small amounts of money, gain experience, knowledge, and then gradually increase the amount. What the author of the article writes about worries many beginners who think that everything is not so difficult) But this is a dangerous thought. Better not play the game pump and dump