You don't always have to be on swatter duty in order to get rid of flies. Whether the pests are bringing your picnic down or calling your living room home, I tested 10 ways to deter flies using stuff we all have in our homes. And I promise, you won't have to squash anything (unless you want to, of course). get-rid-of-fliesProblem solved. Photo: Refracted Moments, flickr If you'd "never hurt a fly," then you've never experienced the...pleasure...of having to run inside from a lovely picnic because...