Yes you told absolutely correct about trading and holding. But it also true that coin selection is most important for trading and holding. We know many people changed their life by trading even huge people relief from economic crisis by holding cryptocurrency. So we have to Learn more and gather knowledge about trading and holding then we also will economic solvent.
I agree that the choice of coins is quite influential for trading and holding, when holding, I personally think that we should be more selective in choosing coins, especially for holding for the long term. make sure it is a potential coin, top, high market cap, and also the team and developers are still active and progressive, so that the coin will still survive in any condition and can increase potentially.
And for trading, it can actually be for any coin, yes, trading is high risk, so whether you like it or not, you have to hold the risk. as long as you are really ready and know the gaps and can optimize your trading skills, then any coin can, especially those with a fairly high volatility gap in 24 hours, or meme coin trends, and especially top coins, it doesn't matter. the important thing is sufficient understanding to take opportunities for profits.