One thing is that buying a Bitcoin and the selling a Bitcoin all these have a strategies and if you don't follow such a strategies I don't think that you'll be able to make a profit through buying and the selling of Bitcoin for me I know that the best time to make a profit for buying and selling of Bitcoin is when you have a target of when you buy from them and make a profit so the best opportunity for me is one an investor to purchase exactly when the price of Bitcoin is going very dip so that when you purchase within interval of this month the most to be a change in the market so that when you said you can update make a proper profit from your investment.
There're stage where there would be a need for withdrawal strategy for One's accumulation but definitely not for a beginner whose in for just a year depending on amount stashed already... there's a withdrawal strategy brought by JJG called
JJG Sustainable Bitcoin Withdrawal Strategy I think the idea was to create a sustainable withdrawal for bitcoin while you hold you coin [ JayJuanGee can correct me on this if I'm wrong].