Making plans is needed to have successfull trade. Without plan, you're giving away your holding out of you. The one lesson I learned about trading is plans is very important. At the same time patience.
If we're still a newbie we don't recommend to take our self determined to take which coin that we will buy and when we have to buy it. We better learn first from the professional traders and there are many pro traders analysis on the internet that you can find. Most of them are on twitters if you're following crypto traders twitter account but if you want to learn more specificilla in technique you can learn it from tradingview. Before we have learned many people analysis and how they predict the price.