Best bet is to ask a store. You can probably call a location close to you. If no I would just buy food with it then immediately return all the food for a cash refund. If that doesn't work money tree locations buy any gift cards for I believe 70% of their value. Or you can sell it for cash on CL and probably get 90% of its value.
Trader Joe's Dog food is being discontinued
Best to call your local trader Joe's and ask what they can do for you. They may even have dog food in store. Or you can like its been suggested sell the gift card to money tree for a fee.
They sell dog food there usually.
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