What is the most expensive Roborock? What is the lifespan of a Roborock? What is the Chinese brand of robot vacuum? What is the #1 robot vacuum? What is considered the best robot vacuum on the market? What is as good as the Dyson but cheaper? What are the common problems with Roborock vacuums? Is Roborock worth the money? Is Roborock manufactured in China? Is Roborock made in China? Is Roborock better than Dyson? Is Roborock a Xiaomi brand? Is Roborock a top brand? Is Roborock a public company? Is a Roborock worth the money? How much is Roborock in China? How much does a Roborock cost? Does Roborock send data to China? Does Roborock need WiFi? Can Roborock be trusted? Can my robot vacuum spy on me? Are Dreame and Roborock the same company?