To help minimize your potential costs, you set a stop price at $8.
XYZ is currently trading at $5 per coin. You want to wait to purchase XYZ because you think it’ll fall to a lower price. You also think that if XYZ reaches $8 it may go higher. To help minimize your potential costs, you set a stop price at $8. You also don’t want to pay more than $8.05 for XYZ, so you set a limit price at $8.05.