Leviton Self-Test SmartlockPro Slim GFCI Receptacle with LED Indicator (15-Amp, 3-Pack) for $15.00

Leviton Self-Test SmartlockPro Slim GFCI Receptacle with LED Indicator (15-Amp, 3-Pack) for $15.00  Shipping is free on orders over $25.  If needed, use this Filler Tool to pad the order for free shipping.  Here is a screenshot for reference.  This works out to be just $5 reach, which is an excellent price as these normally cost over $15 just for one.