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All your strategies related to trading are fine but I want to add that not much greed can be made in trading platform. If you are greedy in trading platform then you will lose the most. Learn to deal with greed. This greed is a very terrible thing. One more thing I want to add here is don't trade with emotion. Trading should be done by understanding the market conditions. Now you have made a profit from trading but later you can lose money if you aim for that profit and trading with passion without understanding the position of the market.
That is what OP means, having patience = less greedy.
It's like the opposite of greedy is patience.
It is really the main enemy of every trader, especially those new ones who just starting. You need to surpass and endure the greediness, you must be able to control it which comes with your psychological.
I wouldn't say it's greedy per se, having patience for me having to stay focus to your goal in trading. So you can't just pull the trigger right away just because you see $$$, it might be the correct time and so patience is really needed here. Although we can't do anything about it when we are in the beginning of our career in trading. We are too inexperienced and we thought that everything should be carried right away without thinking. But in the end with this kind of experience under our belt, we need to have this mental fortitude, practice of self-control is the key here to be successful.
Sometimes people who have long patience categorize as greedy people. This approach towards them is wrong since we need to look at the activities done by the trader so that we could figure out if they are really do something wrong in their trades or they are just doing the right thing and just waif for good opportunity before they decide to sell.
But provably that people could able to learn from what they experience from those activities they participate and maybe they could do more better trades and avoid doing such risky things or get involve on questionable scenarios in their trades.