How do I request a total from a seller?

[hookedonafeeling]

How do i request a new total from a seller?  We have made a deal so I can buy for less than the posted price, and they want to mail it to me for less than the quoted figure from the site. 

[femmefan1946]

Same way you have been communicating so far, through eBay messages.

He can change the invoice and resend it.

It's the weekend, he may not be working right now.