Just ask them for one. They have the little instant ones at the checkout counters. You can fill out the rest of the stuff later. It's the same card as for Foodland on Oahu (mostly) too. If you're in Honolulu coming or going you can get it there.

Free Hawaiian Air miles for me.

EDIT: I'm pretty certain KTA is cheaper for most groceries though.

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The difference between stupidity and genius is that genius has its limits. -- A fake Albert Einstein "quote"