Two minutes of checking before you enter card details. That is all it takes.
nikee-outlet-sale.com or amazonsdeals.shop.Stick to known marketplaces when you can. Pay by credit card, not debit. Never use crypto, wire transfers, or gift cards for regular shopping. Credit cards give you chargeback rights if the store turns out to be fake.
Real stores do not need to panic you into buying. If the urgency feels manufactured, it is.