Walmart offers the Rockwell Sonicrafter F50 4-amp Oscillating Multi-Tool 33-Piece Kit for $94.99 with free shipping.(Amazon charges the same price with free shipping.) That's the lowest price we could find by $15. It features variable speeds, hyperlock clamping, low vibration and a universal fit system.

Update: Choose in-store pickup at Walmart to drop the price to $91.95. (Amazon charges the same price via a clippable coupon.)