1. Too much hetalia-related things
2. Creating excessive amounts of OCs with no personality
3. Drawing characters without background
4. Using the same skin tone for many characters
5. Failing to shade clothes correctly
6. Failing to highlight hair
7. Using the same poses
8. Incomplete plots
9. Awkward poses
10. Collecting a huge amount of sketches that I'm too embarassed and lazy to put in deviantart