If you own an older home like me, you always wonder about what walls/parts of the house have lead in them. Well now you can get a kit for under $50 and test things out yourself. Which is a heck alot cheaper than what some inspectors would charge.
http://workshop.lifehacker.com/how-to-perform-a-diy-test-for-lead-paint-in-your-home-1732514709