Certified refurbished models, especially those from brands like iRobot or Shark, usually come with a warranty. Unwarrantied refurbished units exist, so always check the warranty details before buying.Is refurbished better than buying a cheap new robot vacuum?

Often yes. A certified refurbished model from a trusted brand with a warranty is usually a safer choice than a cheap, unbranded new vacuum with no manufacturer support or reliability track record.

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