Amazon.com is having a bit of a discount on iPhone cases in the US. Cases fitting the iPhone X, iPhone 8 and the iPhone 8 Plus are a few bucks cheaper than on Apple.com. Note that the latter two also fit the iPhone 7 and iPhone 7 Plus respectively.
You can save a tenner on an official Black leather case for the iPhone X its $40 on Amazon. The other colors get no discount.
iPhone 8 cases start at around $37 for the Black, Saddle Brown and Dark Aubergine leather. Some of the other hues like (PRODUCT)RED and Cosmos Blue keep their original price tag of $45.
iPhone X leather case in Black iPhone 8 leather case in Saddle Brown iPhone 8 Plus leather case in Midnight Blue
Then there are the iPhone 8 Plus cases for around $42 you can have them in Black, Saddle Brown and Midnight Blue. The (PRODUCT)RED case yet again gets no discount its $49.