Has your site been crash tested?
Are you absolutely certain that everything on your site works
correctly?
We recently had the following unfortunate experience. After
focusing heavily on marketing, we launched a new marketing
campaign. Soon we had an irate email. A gentleman pointed out he
could not get the free download nor could he place an order. We
had already received orders, so we were just about to dismiss
this as the writings of a computer illiterate, who probably had
trouble turning the thing on, when we decided to check it out.
And to my horror he was right! We have two identical sites, with
different domain names, and I had just spent a small fortune
promoting one of them, to find it was not possible to place an
order! It took only a few minutes to find the problem