Promotions usually bundle time windows, stock caps, eligibility, and stacking limits. Read rules before carting: category/seller constraints, login requirements, exclusivity with shipping coupons, and whether tax is included in displayed totals.
Hot SKUs may ship in split waves—confirm schedules if lead time matters. For bundles/gifts, clarify what happens on partial returns.
Bookmarks do not lock price—checkout is authoritative. If prices jump, refresh and re-verify before paying.