At Walgreens, the entire Wet ‘n Wild Shine line is on Mega Saver through 9/25 for just $0.79 each. If you have the coupon from All You, you have some cheap nail polish!
Buy 13 Wet ‘N Wild Shine Nail Polish, $0.79 each: $10.27
Use the $5/$10 coupon from the September issue of All You magazine
Final cost: $0.41 each!