Growth of one's portfolio and capital is an indicator of success in the industry. It's wise to be intelligent and intensional about growth, this will guide in making relevant decisions. Every trader should understand the importance of taking profits consistently and not waiting for the highest profits out of greed.
But not everyone will take that seriously about taking profits. And the main reason is all about the greediness that we have in nature. That is the reason why many don't take profits while they can because they're thinking of a better profit that they should get.
Thus, they're being passed by that moment when the price seems to be profitable, good and high because they've ignored and didn't pinch a profit on their portfolios when they can.
Timing is important if you know when to buy and sell the chance of getting decent profits is in your favor,
but if you don't have that kind of control or disipcline, a big chance that you will lose the opportunities, and most of the time
instead of getting good profits you ended up losin your investment.
You need to be precise with how you will sets your plan and make sure not to be greedy in changing your target profits.