Yes.All the time.The price of bitcoin is vary frequently , because it's decentralised cryptocurrency.So you can buy at any price and sell at any price.Inorder to avoid of loss in bitcoin trading,you have to use the trading principle. Trading principle is buy at low price and sell at high price.It may any price,you will get profit at the next raise in the price of bitcoin.
Of course bitcoin is worthy because the price is quite low and todays investors will make huge profits in the near future? This bearish situation will not last for long and soon will be recovered because people are now turning back towards bitcoin and they realized that bitcoin is the only hope for a better future. All other coins will not last forever or they will not be profitable in the future.