If you’ve ever poured hours—or weeks—into a government proposal only to walk away empty-handed, you’re not alone. Federal contracting is brutal in that way. The smallest misstep can knock you out of the running before evaluators even read your technical brilliance or see your competitive pricing. But here’s the good news: Most of these mistakes are 100% avoidable. Let’s walk through five of the most common proposal pitfalls small businesses make—and more importantly, how to sidestep them.