investing in top-ranked coins is a safe and profitable strategy if you can afford to buy a massive amount of them. But if you have the knowledge required to analyze the market well, low-ranked altcoins have a tremendous potential to bring you extraordinary profits.
And how many years do we need to see any profit from investing even in top-ranked coins?
Unfortunately, no analisys works now even with low caped coins and tokens, their movements are really random and most of their pumps and dumps cannot be explained by anything. They just happen. Or don't.