be careful with 2019, where the existence of bitcoin is not in good condition, many people predict that bitcoin in 2019 will experience halving and low prices, before welcoming bulls from 2021 to 2023
I myself prefer to sell bitcoin while the price is above 3500 USD, and buy it when the price of bitcoin is in the figure of 3000 USD
This year's trading will be a little difficult, because it's hard to find the best loopholes to sell
In the financial sector, the first thing to do is to keep your assets safely and minimize the loss of money in this bear market. People are at a very difficult stage so the rate of earning profits will be very low. If you want to trade, it is best to lock in profits when the value of that coin increases from 2% -3% and keep USDT safe.