It's always good to look on the bright side of things. It's no different when we're talking about your pearly whites. Most folks would prefer whiter teeth for a brighter smile. That's a no brainer. But there can be some hurdles, though, in keeping those teeth white and getting the confidence that goes with a bright smile. Fortunately, we've got three teeth whitening tips below that will help get your smile a little brighter, make you a little happier — and do it on a budget to boot.