The consumer economy isn't just about buying more and more stuff -- there's a flipside.
The more we spend, the less we have to save. That can make planning for the future -- keeping our lifestyle sustainable, in other words -- incredibly difficult.
We want to know: What's the dumbest investment you've ever made -- the one you've regretted the most?
Tell us by tweeting @MarketplaceAPM, posting on our Facebook page or leaving a comment below