Wait for the setups to occur and be aggressive when it comes. The ability to reserve your capital and wait for the proper setups is a powerful thing. Not all stocks, price action, strategies or patterns are worthy of your time and money. You need to know which strategies work for you and devote the time and capital to executing your chosen strategies.
Are you a VWAP trader? Do you trade using an Open Range Breakout strategy when the market opens? Do you buy when the price bounces off a moving average? Do you trade only when cup and handles form or when the ABCD pattern presents itself? Whatever your strategy or setup may be, the goal is to wait for it to present itself. Not before and not after, but only when it presents itself!