I recently bought a second hand pushchair from a private seller on EBay. The seller lives locally and offered to deliver it yesterday - I paid in cash on delivery. Unfortunately after she left I noticed a tear in the basket under the seat which can't be mended... Even more unfortunately it's an American buggy and I discovered today that parts need to be shipped from the US at considerable cost. I know I should have spotted the rip when I took possession of the item, but the seller clearly mentioned in the description that there were no tears to any of the fabric parts of the buggy, which was incorrect. What can I do?