As one of its daily deals, PricePlunge offers the Revlon Perfect Heat 3/4" Curling Iron Brush (pictured), model no. RV054CN7, for $5.99. Coupon code "sumperc5" cuts that to $5.69. With $2.99 for shipping, that's the lowest total price we could find by $4. It features a 3/4" barrel, 30-second heat-up, 30 heat settings, and automatic shut-off. Deal ends today.
Also available is the Revlon Perfect Heat Ceramic 1/2" Ribbon Curling Iron, model no. RVIR3013C, for $7.99 before the above coupon, $7.59 after. With $2.99 for shipping, that's the lowest total price we could find by $3. It features a smooth 1/2" barrel and the same heat settings as above. Both deals end today.