Hello friend. I think btc is back now. It is rising and give a new chance for investors. I think this is the best time to buy altcoin. Why? You can check their price! Good luck
The right time to buy bitcoin is when the price is the lowest, bitcoin prices can go down because there are factors or issues that some people make to make the btc price lower, but you should use to buy bitcoin sebnyak - a lot because after the issue and the bitcoin price falls, not take too long the btc price will rise spontaneously.