Thumb Score: +16

Amazon [amazon.com] has 22-Oz Griot’s Garage Ceramic Speed Shine Detail Spray for Car Detailing for $12.99 – 10% when you check out via Subscribe & Save = $11.69.
Shipping is free with Prime or on $35+ orders.

Price
$6.30 lower (35% savings) than the list price of $17.99
$1.30 lower (10% savings) than the previous price of $12.99