Walmart offers the Seinfeld Festivus Celebration Kit for $7.06 $6.71. Opt for in-store pickup to dodge the $5.99 shipping charge. (Amazon charges the same, although it's temporarily out of stock.) That's the lowest price we could find by $10. It features a 9" Festivus pole with four Frank Costanza phrases, five Human Fund donation gift cards, and two magnets. You must supply your own grievances.