The link that I posted is third party. Called "Stores and Deals". When you click on the light in that link, you get your coupon you just posted. Anyway I'm leaving now to go get it.
If you give Harbor Freight your e-mail, they'll send you all the sale flyers. Every once in a while, there's something in them that I don't already have and could use. But they don't have a store up here, so I have to pay for shipping.