how can price go up and down while they are dumping their bitcoin? if people dump price goes only down. but when it is going up AND down it means there is equal amount of sells and buys. and in this case it is mostly because price is moving sideways and it has not broken any line yet so investors are not sure which way it should go.

then do NOT trade.

nobody should give you advice about what to do with your money, you either learn it and know it eventually on your own or you should stay away from any kind of investment if  you can not figure it out yourself.