[quote name='jbirou']My Target was out of the 4-disc'er, but I took up the 2-disc set and played dumb just to see what would happen with the coupons. The Target spring mailer coupon didn't work, but the DMR coupon scanner without a hitch, so for those of you who are cool with the 2-disc set for $14.99+tax, there is a way![/QUOTE]
Well, seeing as the spring mailer coupon would have worked with the 4-disc combo pack (because it's right at the minimum for the coupon) it would have been a much better deal to just pick up the 4-disc and use both coupons. Personally, a 4-disc set (especially one with a Blu-ray 3D disc) for $14.99+tax is MUCH cooler with me!

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edit: Sorry, skipped the fact that your store was sold out of 4-disc'ers... I posted this first part before really thinking]
As for people having issues with the coupons, my cashier had to override the spring mailer coupon because the computer said there wasn't a valid item for the coupon... even though he scanned that coupon first. It wasn't an issue after he looked at the price of the 4-disc and pressed a single key.
And, referring to the coupon policy, it says right on the Target coupon that it can be used with one manufacturer coupon. The Disney coupon says it's not supposed to be used with any other offers, but it's not like they're losing any money over an accompanying Target coupon!