I'm a local Freelancer Living in San Telmo I offer delivery/ pick up services in Buenos Aires. I can get you the item you need and send it to your place or someone else's place as a gift. I can even help you find a gift or product you have trouble to find, I move fast around the city and love...
It both saddened and ammused me to see how excited my kids and I got when we found Pepperidge Farms Goldfish (both original and chedder!) and Double-chocolate Nantucket cookies at the big Carrefour near our house. Its been about 18 months since we saw any Goldfish crackers at any grocery store...