KEY POINTS
  • Most spontaneous purchases involve eating: 70.5 percent of respondents in a recent survey name food as their biggest impulse purchase.
  • Taking a minute to ask yourself if you truly need whatever you're suddenly eyeing can help stop you in your tracks.
  • It's also worthwhile trying to channel the thrill that comes with impulse buying into getting the best deal you can on the item, whether in a store or online.

Those few unplanned purchases you made this week? Keep it up and your yearly tally from those spontaneous moments could reach $5,400 annually.

That's how much the average U.S. consumer spends each year on impulse buys, according to a new survey by Slickdeals.net. The study of 2,000 consumers shows they make three of those purchases a week, adding up to $450 a month and $5,400 per year.