When it comes to online shopping, Black Friday and Cyber Monday usually get all of the attention. But for a brief moment in July, the spotlight shines on Amazon’s biggest sale of the year: Prime Day. If you’re looking to come away with some great deals this year, or just want some information on how it works, here’s a step-by-step guide to Amazon Prime Day 2018. For certain organizations, such as Saving Sight, Amazon is donating to charitable organizations.