I was going to say why you opened the rest of the positions in the same direction as the first, but then you said after making profit from any two, you keep the third so you could make more from it and lose all the profit. So bro basically you were already taking more risk in the first place, then you took more in the second phase where you did not close the trade.
I don't think it is a long lasting strategy. It might work once or twice but I don't think we can use it again and again although it could work with other factors like what we are buying and in which state that coin is. If it is in a good state from its fundamentals point of view and is only being driven by the BTC market then we are good, but if there is any maintenance or any upgrade going on, or any hack that could impact the price for a shorter time frame, then it is a different story.
Anyway, I have lost to my greed but eventually we learn the lesson.
Sometimes, even if major coins go in a single direction, there are still chances that a few coins can have larger gains. For instance, bitcoins can pump by maybe 2% while ETH does a 4% gain. I think this is why OP has invested in multiple coins following the same direction. The profits would still vary from each of these coins and sometimes, 2 out of 3 can still give profit but the 3rd one can be a loss making as happened with OP.
It is very rare when we can profit from all 3 open orders in a single direction. I used to do the same but it was later when I realized how big of a mistake this was. Now, in extreme times, I would open 2 orders but in different directions both set with stop loss and profit levels. I would somehow automate those traders so there is no or minimum manual intervention.