Samsung has a one day sale for the R7010 Powerbot vacuum cleaner. Unidays edu discount knocks down the price to $179. Apply coupon code PL6EPGZZC to bring the price down to $83
If you have any of the $50 Samsung.com codes from the Samsung Pay sale late last year, you can get this for $33. If you don't know what this is, you don't have it and can't get it anymore.
There are cash back options available through a few sites.