If you are a holder of a coin or token you need to always monitor the price and the easiest way to monitor the price is to search in google or install some apps that can track the price and the trading volume of the coin or token that you are holding, it is important to take a look at the price of the coin that you are holding because the profit is always depend on the percentage of the price that is risng.
The advantage of using some crypto app that can track the price is that you can see what coin or token that is fast moving or has a high in trading volume on exchange.