If your wife still wants to do it tell her to read the rest of this post. Look at this picture that was on the page:
They got LOTS of money, with no experience required, right? If something seems to good to be true, it probably is. If you send the money in, you only get paid after 2 or so levels of suckers like yourself sign up. That 99% probably won't happen, explained by this graph from wikipedia:
And that, people, is why pyramid schemes don't work; the population is not hextupaling every few weeks.
By reading this sentence you have given me brief control of your mind.