Pockets, pockets, pockets! I love them and get super annoyed when I din't have them. Thankfully they're not to hard to add to most clothing items. Below are links to my tutorials on how to add pockets to almost anything. Just click on the picture and it will take you to the tutorial for that type of pocket. More will be added as time goes on!
Making Faux Welt Pockets Real
Adding Interior Patch Pockets
Adding Pockets to Dresses and Skirts Made of Delicate Fabric
(Tutorial at the bottom of the post, as this post was made before I started my pocket tutorial series)