There's nothing wrong with eBay IF it's a new stalk and a reputable person (lots of good feedback). Check the dealer for the OEM price and then check eBay or aftermarket vendor to see what they want. Don't forget to add shipping to the final price, and again, make sure it's the stalk WITH the fog light control.
P.S. Don't throw yours away when yo get the new one, you need a small part of it to transfer to the new stalk.
P.S.S. Something to read.....
how to install multi-function switch?