**SAVE $500: **As of March 9, the Ecovacs Deebot X9 Pro Omni is on sale for $799 at Amazon. That's a 39% discount on the list price. Opens in a new window Credit: Ecovacs Ecovacs Deebot X9 Pro Omni $799 at Amazon $1,299.99 Save $500.99 Get Deal Robot vacuum deals are always a win, especially when you find something on a model that mops as well as picks up dirt. And as of March 9, you can find exactly that at Amazon, with a $500 discount on the Ecovacs Deebot X9 Pro Omni. This vacuum does so much and requires so little from you. And with a discount this big, who could resist? Normally $1,299, this EcoVacs robot vacuum is currently down to $799. It delivers powerful, hands-free cleaning, with BLAST technology that combines its strong 16,600Pa suction with an increased airflow to help pull dust, debris, and pet hair deep from carpets.…