When the price is stable for a while and I can afford it, I buy some. I hope the prices will go up in the long term and I can make
some money. Leaving the money in a bank account doesn't yield any interest anymore
Well as you said, everyone know about it and also doing it, also including me, I always buy the bitcoin in a cheap price and sell it on a high price, because it is a safe sound way and no need on hard working on it. Otherwise if someone buy the bitcoin in a high price than how can he make a profit from it, because bitcoin's price is a main thing which give us profit