I agree with what everyone else said, don't do it!
Just the fact alone that they have him posed next to a football to show how "tiny" he is is a bad sign in itself.
Don't fall for the website claiming all this crazy stuff, "micro, tiny, teacup blah blah blah bad bad bad.
I would never ever buy a dog being "shipped" to me, ESPECIALLY at only 8 weeks old!
Read the link that was posted about "how to find a reputable breeder", this one is NOT. Read this recent thread too -
Sick Little Wiley Coyotee
It's not the same "breeder", but it'll help you understand what we're all talking about.