In terms of prime day, I noticed some other sellers having sales. I liked keh.com's prime day of selling certain prime lenses at 20% off. Unfortunately when I checked, none of the micro 4/3rds lenses I wanted were on the list. But keh.com did/does have 10% off other lenses (but they didn't have anything in stock I wanted enough to buy them). The offer expires tonight (July 16th, 2019):
Adorama also had sales, including some camera bags. As I mentioned in the "what camera gear did you buy today" thread, I noticed some Think Tank Photo bags (Perception tablet and Perception 15) that were being sold for $30 and $55. But then I noticed Adorama had the Perception 15 on sale used for even cheaper, so I went with that.
I did buy 2 more memory cards, unfortunately only 1 at a sale price (since there was a per order limit).