Show HN: Extension to analyze Costco purchases and find price adjustments

I build a chrome/firefox extension that scans your Costco purchases and tells you if prices have dropped - allowing you to request the difference refunded! I also included a cool summary analysis, and way to search through all historical warehouse purchases. Check it out: https://chromewebstore.google.com/detail/costco-price-adjuster/fladelenhmmmicdplahmeljembbneenp?utm_source=news.ycombinator.com&utm_campaign=show_hn https://chromewebstore.google.com/detail/costco-price-adjust...