Flash sales are one of the most tempting forms of online shopping. They promise massive discounts for a limited time, creating a sense of urgency that can lead to impulse purchases. But not all flash sales are created equal, and some can actually cost you more in the long run if you’re not careful.

The key to mastering flash sales is preparation. Before a big sale, make a list of items you genuinely need or have been planning to buy. This will help you stay focused and avoid the temptation of unplanned purchases. It’s also smart to do a little homework on the items you’re eyeing. Use price trackers like CamelCamelCamel or Keepa to check historical prices, so you know if a discount is actually worth it.

Timing is everything. Some of the best flash sales happen early in the morning or late at night, when fewer people are shopping. Set reminders for these times or use browser extensions that alert you to sudden price drops.

Another pro tip is to sign up for email alerts from your favorite stores or join their loyalty programs. Many retailers offer early access to their best deals for subscribers, giving you a head start.

Finally, don’t forget to check the return policy. Flash sales often come with stricter return rules or restocking fees, which can eat into your savings if you’re not careful.

With a little planning and discipline, you can score genuine deals in flash sales without falling into the trap of unnecessary spending.