if you had bought, weeks later you could have sold when the price reached $ 4200 and then you would have bought again now that the price fell to $ 3,500, then you would have stayed with many bitcoins, it's amazing as the crypto world is. all you have to do is know when to enter and when to leave
Which is why trading is one of the most profitable skills that you can have, if you can predict when the market is going to go up or when it is going to go down the amount of money that you can make thanks to that knowledge in a relatively short amount of time with enough capital is incredible, so it is understandable that some people in the forum are desperate to get that knowledge but only a minority of traders are able to do that and get those profits.