Air fryers and multi-cookers are permanent residents of the deal cycle — there is a sale on one practically every week. That is good news, because it means you should never pay full price. But it also means the discount alone should not decide the purchase.
For one or two people, a 4-quart basket is plenty and fits under standard cabinets. A family of four wants 6 quarts or more; below that, you will cook in batches and the "fast" appliance becomes slow. The jumbo 10-quart class is genuinely useful for whole chickens and entertaining, but measure your counter first — these are the size of a microwave.
Units that combine pressure cooking, air frying, slow cooking, and dehydrating deliver real value per dollar — one appliance replacing three is a legitimate space win. The caveat: multi-function lids and baskets have more parts to wash. If cleanup friction stops you from using appliances (be honest), a simple basket-style air fryer that fits in the dishwasher will get more real-world use than a do-everything machine.
Kitchen appliances hit their deepest discounts around the major sale events and in January, when fitness-season demand meets post-holiday clearance. A 40%+ discount on a current-generation model from an established brand is a strong buy; the same discount on a no-name unit is just its everyday price wearing a costume — see our guide on spotting inflated list prices.