Walmart is competing with Amazon this Prime Day, offering great savings on our favorite laptops, 4K TVs, earbuds, and other WIRED favorites.

They discounted dozens of products and saw great success — so much success, they doubled it to two days. Then four days. And now, it's no longer just Amazon Prime Day — it's the biggest sales week of the entire summer,

Walmart has launched its own summer sale event to counter Prime Day. Only some deals are actually worth grabbing.