Normally there are people whom we call day traders, this day traders earn is to trade and make profit daily which required more knowledge to carry out technical and fundamental analysis, this people are the ones that belong to the buy buy buy and sell sell sell category because of price movement.
And there are also another category of people whom we investors their earns is to buy and hold for long term, nothing like buy buy buy or sell sell sell for them, weather the price is going up or down they are still buying continuously, this are people who are committed to there investment vision. You just need to have little knowledge about crypto to belong to this category, no time to stress yourself to carry out technical and fundamental analysis just stay inform that's all you need.
Bitcoin is the only cryptocurrency that a newbie should invest in because, only bitcoin is promising and has the potential to increase your investment in future as long as you buy and hodli as you keep on increasing your bitcoin portfolio overtime to a good size. When you use the word crypto, it can be misleading to newbies like you who are reading this thread, because if it's not bitcoin, it's shitcoins and majority of investors do get scammed from shitcoin.
Imagine, you telling your friends or people around you with no knowledge on bitcoin to invest in crypto, they will feel that you are talking about any coin and they can end up buying shitcoins, this is why I only invest in bitcoin, so that I don't have any business to talk about shitcoins, because I have been scammed earlier when I got into the cryptospace by these shitcoins dev.
Bitcoin is not a cryptocurrency don't mislead newbies here bitcoin is bitcoin while shitcoins is shitcoins moreover this is a bitcoin discussion thread so you can take your Crypto elsewhere.
Unless you are advising investor or newbies not to invest into shitcoins rather than bitcoin investment which their discretionary income and hodl bitcoin for long either using the DCA strategy to stack bitcoin buying either weekly or monthly and hodl rather than fucking around shitcoins.