Bitvae via Amazon has Bitvae Ultrasonic Electric Rechargeable Toothbrush Set w/ 8 Heads (Black) on sale for $24.99 – $5.00 when you clip coupon on product page – $6.25 off when you apply the promo code 25LPHCGP at checkout = $13.74. Shipping is free w/ Prime or on $25+