If you haven't already, please see the preceding articles on making trading cards at home:
DIY Trading Cards, Part 1
DIY Trading Cards, Part 2: Making it Physical
DIY Trading Cards, Part 3: Specialty Cards
DIY Trading Cards, Part 4: Packs
DIY Trading Cards, Part 5: Card Box
This one's pretty simple. To make a sweet binder to keep and display my cards, I used Zazzle. You can download a design guide for whichever size binder you want.
I made the 1″ binder. Now that I've filled it out with my first year of cards I wish I had gone for something a little larger. The upside is that I'll get to design another before too long.