Quick answer: Fake-deal risk rises when urgency, an unfamiliar domain and an unusual payment request appear together.
Price and urgency red flags
A price far below every established seller deserves verification, especially when paired with a short countdown or claims that only a few units remain. Timers can restart after refresh and stock messages may be generic interface elements rather than live inventory.
Identity red flags
Look for a business identity, support route, physical return information where relevant and a domain consistent with the claimed brand. Recently created social profiles, copied reviews and contact addresses on free email services do not prove fraud, but they increase uncertainty.
Payment red flags
Stop when a supposed support agent asks for an OTP, card PIN, screen sharing, remote-access software or a transfer to a personal account. Receiving money does not require entering a PIN or approving a collect request.
Policy red flags
Read return, refund, shipping and cancellation pages before paying. Vague language, contradictory time limits or a policy copied from another brand indicate poor operational control. Search the policy for names and domains that do not match the store.
What to do instead
Leave the promotional link, open the brand through a known source and search for the same product. Use a payment method with appropriate dispute protections and keep transaction evidence. If something feels wrong, missing a discount is cheaper than recovering from fraud.