https://www.techradar.com/news/amazon-prime-day-2018-usa

Amazon Prime Day 2018 in the US is next month, and our exclusive reporting on the 36-hour deals day (and a half) reveals exactly when you can start saving money. 

Amazon.com discounts most everything at once in July, so much so that it's become a mini Black Friday and Cyber Monday. It's like Christmas shopping in July.