How much for I phone 13 pro max

https://www.apple.com/shop/buy-iphone

This is not a chat service, and is not a way to communicate directly with Apple; it is a user-to-user technical support forum. If you have a question or issue that you think another user can help you with please describe it in as much detail as you can and a user who sees your request and thinks they can help will answer, but that might not be immediate; it could be hours later. 

If you want to contact Apple use the Get Support link at the top of this page or call Apple by choosing a number from this list→Contact Apple for support and service - Apple Support

Here is some guidance on how to get the most out of ASC→Writing an effective Apple Support Communities post

See if this helps: https://www.apple.com/qa/