1. They don't establish the big broad relationships of color, shapes and values before moving to the details.
2. They fail to unify the light side and the dark side with harmony; which presents a single continuous effect.
3. They paint what they think they know, not what they actually see.
4. They don't have the proper equipment or too much of it.
5. They use too small of brushes.
6. They don't paint what they know and love.
7. They choose too complicated of subject matter.
8. They don't stand back enough times to see how their painting is doing as a progressive composition.
9. They don't see things as mass, but more as lines that they fill-in between.
10. They expect too much of themselves, too soon.
They don't fill their companion's wine glass often enough..(Opps, that's another 10 common mistakes)
