Master the "Probability vs. Leverage" trade-off. Learn how to pick the right strike price for your trading goals.
For Day Traders: Use ATM or slightly ITM strikes. You need a high Delta so that your profit target is reached faster, and you want to minimize the risk of "vega" (volatility) changes affecting your position.
For Swing Traders: Use ITM strikes. Because you are holding for days or weeks, you need protection against Theta (time decay). ITM options decay much slower than OTM ones.
For Speculators: Use OTM strikes only with a small portion of your capital. View it as a "lottery ticket"—the risk is total loss, but the return on investment can be massive if the price makes an unexpected explosive move.