On the store’s dime or mine?
I made an order at the grocery store. When the delivery came and I opened the boxes, I discovered that they had mistakenly sent me the wrong the item. I called the supermarket to complain and the manager says, “No problem, we’ll send you what you wanted, but you’ll have to pay the delivery charge again.” “One second,” I say, “It’s your mistake! Why should I pay again?!”
The rav who is called to arbitrate the matter states, “In the world of orders and deliveries, these mistakes often occur, and you were surely aware at the time of purchase that sometimes items are missing or unwanted substitutes are delivered. Therefore, the store is obligated to credit you for the cost of the item you ordered, or you are entitled to exchange it for the right item if you decide to take it back to the store, but they are under no obligation to deliver the item you had originally ordered at their own expense.”