Target offers the KitchenAid Classic Egg Slicer in Red, model no. KC135OHERA, for $3.99. Choose in-store pickup to avoid the $4 shipping fee. That's tied with our August mention and the lowest total price we could find by $12, outside of the mention below. It's dishwasher safe, features a non-slip base, and slices hardboiled eggs, mushrooms, and soft cheeses.
Of note, with orders of $25 or more, Amazon offers it for $3.99 with free shipping for Prime members.