Never pay list price at harbor freight again!
Searches hfqpdb.com database for best coupon by item number while browsing harbor freight's website and displays the price on the webpage next to the retail price.
Update v2.0.1 - Fix issue with duplicate coupons on search page.
Update 09/02/2019 - direct link to privacy policy (we store/collect no data): https://raw.githubusercontent.com/sclem/harborfreight-coupons-extension/master/PRIVACY
Update v2.0.0 - Compatibility with harbor freight website redesign!
Update v1.4.0 - moves CORS request to background page for chrome 73.
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