BetterBasics via Amazon offers the Sterline Sonic Pulse Electric Rechargeable Toothbrush for $35.99. Coupon code "1BRSHT80" cuts it to $28.79. With free shipping, that's the lowest price we could find by $11, although we saw it for $2 less last November. It features six brushing heads, three brushing modes, 31,000 brush strokes per minute, and a sanitizing station. Deal ends March 30.