TomTop offers the Feiyu G4 QD Quick Dismantling 3-Axis Handheld Gimbal for GoPro Action Cameras for $189.99. Coupon code "FYGQD50" knocks that to $139.99. With free shipping, that's the lowest price we could find by $40. It accommodates action cameras between 1.3" and 1.8" tall and features an adjustable quick-dismantling clamp, 3-axis gyroscope, and aircraft-grade aluminum construction. It requires two 18350 rechargeable batteries (four are included) and comes with a charger.

Note: This item ships from mainland China and requires two to five weeks for delivery. The countdown timer on the product page does not reflect an actual expiration time and resets daily.