You know you're going to use it. Drag along your fiancé, BFF and mother. Then you can use 4. Then go again tomorrow and again on Friday. Assuming everyone agreed to go with you everyday, that's 12 half-off items!
Note: I couldn't convince that many people to go that many times in that many days, unless I had something I really needed, and asked really nicely. Really nicely. And possibly bribed.
3 hours ago