March 26, 2012, Inc.com: You can’t save your weakest staffers. But you can use them as a way to upgrade your whole team’s performance.

You’ve heard the adage, “Hire the right people, and everything else is easy.” That may be true, but it’s also unrealistic—especially in start-ups and rapidly growing, innovative businesses. Mistakes are made in hiring; high-potential people fizzle out, burn out, or check out. Every owner eventually leads a workforce with mixed talent and ability.