The answers to the following clues will have something in common:

1. Exact
2. Treat condescendingly
3. Take attendance
4. Hurt your own interests in a fit of anger
5. Completely dominate
6. Go straight ahead
7. Buy at a very high price
8. Rudely reject or scorn
9. In plain view
10. Very narrow victory

Answers:

1. On the nose
2. Look down your nose at
3. Count noses
4. Cut off your nose to spite your face
5. Lead by the nose
6. Follow your nose
7. Pay through the nose
8. Turn up your nose at
9. Under your nose
10. Win by a nose