eBay

It was suggeste to me that when I list a product for sale…I only only sell with immediate payment required. Where do I find that option when listing something for sale?Please advise Thanks

A buyer gave me an offer...I accepted it...then the buyer sent me a message via the ebay system telling me I have to text them at this number because they have questions..If I did not want to text them then I should cancel the order. The system says ...