Show HN: When To Shop At Trader Joe's (using a homegrown Java single-page app) (frequal.com)

Did you know the best time to shop for frozen waffles at Trader Joe's is on the weekend? Or that "peak tissues" was reached in mid 2022? I started CoronaWait in 2020 to give people a way to share and track wait times and stock levels at their grocery store. Now, four years later, take a look back at intriguing and amusing trends from one popular store, Trader Joe's.