Understanding market order types can save you money.
A Market Order is an order to buy or sell immediately at the current best price. It guarantees execution but not the price. Use this when you want in or out fast.
A Limit Order is an order to buy or sell at a specific price. It guarantees the price but not the execution. Use this to buy the dip or sell the peak without watching the chart all day.
Knowing the difference helps you control your entries and exits.