Best Buy offers the Philips Sonicare Simply Clean Brush Heads 5-Pack, model no. HX6015/03, for an in-cart price of $24.99. Choose in-store pickup to dodge the $5.49 shipping charge. That's the lowest price we could find by $11, although in January we saw it for $5 less. Each head features a contoured bristle field and fading reminder bristles.

Of note, qualifying students and faculty can click here and fill out this short form to receive an email containing a link to a unique coupon code that drops the price to $19.99. (Coupon is labelled as "Save an additional 20% of Personal Care Items".)