I only know 1 thing: Buy low, Sell high. But even that is not enough.
You already got that point. If you want to increase your holding tokens/coins then you must have to do the trade. Buy low and sell high is not so easy to make, mate. We spend our whole day, month to do that! As you know only one thing, that's why you have to learn details about how to trade! Because only a successful trading can increase your portfolio in this bear market.