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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?It wiill surely risk when you buy bitcoin In the middle of Its bull market because theres a tendency that It will be suddenly fall Its value for just pass. Wait for the right timing to minimize the risk of Investment on bitcoin. When theres a hark fork that might $5000 or less this a chance to Invest on It and hold It untill It will recover again even atleast 8-$10,000 then thats the time you can sell It again.