What does bait and switch pricing mean?

bait and switch pricing meaning in Law Dictionary

Luring clients with affordable prices than attempting to sell them more expensive things saying the steal ended up being sold-out. This is illegal. AKA bait pricing.

bait and switch pricing meaning in Business Dictionary

prohibited training of 'baiting' consumers with unrealistically low prices to create them in to the store, then trying to sell them higher-priced goods regarding the pretext the advertised bargain-priced goods can be bought away. Also called bait rates.