share experiences, Buying and Selling Bitcoin when prices are high is risky. surely a bitcoin trader has experienced the name of loss on bitcoin so how big is your nominal loss in bitcoin trading in your life? and is there any suggestion to reduce or avoid loss on bitcoin 
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I am not a regular trader,but I just tried trading with altcoins in long term.I didn't face any big losses yet but the biggest mistake made by me was bought the litecoin at the peak price and then late sold it for very cheap price.?