Thumb Score: +33

Woot! [woot.com] has 4-Pk Apple AirTags (1st Gen) for $59.99 – extra 10% off (in the Woot app!) = $53.99.
Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Price:
$45.01 lower (45% savings) than the reference price of $99