Black Friday robot vacuum deals: what to consider before you buy

Cheap robot vacuums can be a good purchase during Black Friday sales if certain conditions are met. Key advice includes sticking to reputable brands like Roborock and Dreame, ensuring the robot can handle necessary maintenance tasks, and comparing prices with slightly more expensive, older models. Avoid unknown brands and be aware that some cheaper models require more manual upkeep, such as emptying bins and filling water tanks.