Mashable's Shopping team has been covering Amazon Prime Day since 2018, and this year, we've got our work cut out for us. The retail giant has extended its flagship members-only sale to four days for 2025.

Robot vacuums are incredibly useful, but tend to be expensive. Fortunately, I found some deep discounts leading up to Prime Day, coming up July 8-11 this year.

Exciting deals are on the horizon as Amazon and Walmart compete for your business this week! Reporter John Matarese highlights the best offers from both retailers, including Amazon's extended four-day Prime Day and Walmart's six-day sale event.