Needless to say, none of them offer Black Friday deals. The markets for toaster ovens or slippers do not quite operate in the same manner. For a start, goods are differentiated by design and quality.

As of Nov. 27, the Ninja Slushi is currently in stock at Ninja's website and at Target for $299.99, and can also be pre-ordered at Crate & Barrel with an expected restock coming in early December. The Slushi occasionally pops up for immediate purchase at other big retailers, but if you see it going for more than $299.99, it's a gouged MSRP.

My dad has been obsessed with the idea of getting an air fryer for months now. Every time we talk, he’s got a new reason why it’s the one gadget missing from his kitchen. So, with Black Friday deals rolling in, it’s no surprise that the only thing he’s asking for this year is an air fryer.