For in-store pickup only, Kmart offers the Ball Regular Mouth Pint Mason Jar 12-Pack, model no. 61000, for $7.29. That's $1 under last week's mention of the wide-mouth jars and the lowest price we've seen. (It's the best deal now for any variety by $2.) It includes 12 lids and bands.
Of note, Shop Your Way Rewards members will earn a Kmart credit with this purchase and may be eligible for additional credits and discounts.