When we learn to buy, we must also learn to sell. We should sell in batches if there are profits and buy them back at a low price. Generally, after a period of growth, the currency will inevitably go 📉. The faster you run, the less you earn, but you will never lose money! Not losing money has already outperformed most people. Losing money in a bull market is inevitable. Don't be lucky! For all those who play with contract liquidation and play with altcoins, the one you feel most sorry for is your family. #BTC☀