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Creality-official has a “buy 6 get 10” offer on their Hyper PLA plus there is a 20% eBay coupon.

If buying 10 spools price will be $86.32 after the discount and coupon.

Steps:[LIST][*]Add 10 rolls of filament from the product page [ebay.com] (you can mix and match colors)[*]Buy 6 Get 4 Free discount will be automatically applied at checkout ($179.90-$71.96 = $107.94)[*]Apply 20% coupon LABORDAY20 at checkout