This is becoming a nice ritual.

Apple introduces a new product, Walmart announces it will sell the product at a little discount.

Walmart just announced plans to sell the iPad Air for $479, which is $20 less than Apple will charge for the iPad Air.

As 9to5Mac notes, Best Buy usual does price matching, so if you want to go to Best Buy for a new iPad, mention the Walmart price and you should be able to get the discount.

Walmart will also do a tablet trade-in program. So, potentially, you could get a discount on the new iPad if you trade-in your old iPad.

Here's the Walmart tweet announcing the deal: