Hobby Lobby Stores

While I think Hobby Lobby is a fantastic store, their votive candles are terrible. I have tried to burn them and them and if I'm lucky they might burn for 20 - 30 minutes. Candles from other stores last for hours. Since I don't have my receipts so I can't return them. I have 8 that I tried burning and 19 I've not used. They were costly and while they smell great a huge disappointment.