NOTE:  This was a feature of Google+, but they decided to move the functionality to Google Maps instead.  The article has been rewritten accordingly.

Flying is expensive, and it doesn't help when the airlines and the ticket agencies are all playing games to jack up the prices. You need to know the best ways to get cheaper rates, so I thought I'd pass along some tips I learned. This may not be all there is to know on the subject, but will help.

So you're living in domestic bliss, but there's grocery shopping to do, and both partners may not have a complete list of what needs to be picked up.  Perhaps your significant other typically does the shopping, but you notice that you're missing something important in the fridge.