One of the biggest names in online retail is directly competing with some of its biggest customers. That can't bode well, especially when one of its biggest competitors remains customer-friendly. Watch the video below to see which of these Internet stalwarts is overvalued and which is undervalued.

Buck Hartzell owns shares of eBay. The Motley Fool recommends Amazon.com and eBay. The Motley Fool owns shares of Amazon.com and eBay. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.