Amazon has the Arealer Foot Spa Bath with Automatic Foot Massage for $89.99 - $5 off coupon (Clip Green Coupon) - $25 off with coupon V3PPVWNO = 459.99 with free shipping. Features temperature control, 3-mode roller massage, bubble jets, timer.
Has excellent Amazon Reviews.
Amazon has the AmazonBasics 9V Alkaline Batteries 8-Pack (6LR16-8PK) for $9.99 - 5% off via Subscribe & Save = $9.49 with free shipping on $25+ or with Prime. Works with a variety of devices including digital cameras, game controllers, toys, and clocks.
Has good Amazon Reviews.