For altcoins, buy low and sell high, and you will make a profit. Although this statement is correct, it does not go for all coins. Some people think that when the market rebounds, their altcoins will rise with it. But the result was leaving the market at a loss.
So choose wisely and follow up the project. See what their developers are doing, or just hiding behind the prevailing saying.
That title is right. Not all coins can recover and only the coin with strong and good projects will recover and convince the investors that their project is worth invest. But you should not worry about that because as long as you can invest in the right coins and have the potential to recover, that coin will increase at the right time. Maybe you can invest in the top 50 coins lists so you do not have to worry.
This is the importance of doing research and analysis before finally deciding to invest, so that we don't choose the wrong coins for investment.
Indeed, the reality is that not all altcoins will recover after the dump, there are even altcoins that eventually become dead coins, because
the team of developers decided to leave the project. What's scary is that the new altcoins that appear today mostly end up being shitcoins,
meaning that once the price drops it's very difficult to recover. So indeed we all have to be very selective in choosing altcoins for investment.
I agree with your suggestion that we should invest in the top 50 coins, most of which have a fairly high demand and will usually recover if the price of
Bitcoin rises. Especially for beginners who do not have the knowledge and experience, choosing an investment in the top 50 coins is highly recommended.