If the seller's shipping cost is not considered, the seller is still willing to re-ship the defective painting without returning it. Explain that the cost of hanging pictures is lower than the return freight, which is less than 8 yuan. If you consider the cost of mailing, you need to send it twice. And pay the return freight, the cost of painting is lower than that of 24 yuan, in this case, the seller will give up the original painting.