The answers to the clues below will have something in common.

1. All things being equal
2. Rich dessert
3. Money management problem
4. Standard monetary unit
5. Call for order, as in a courtroom
6. Look for work
7. Grammar classification
8. Severe, painful price to pay
9. Common sense medical knowledge
10. Produce something or solve a problem by continuous effort

Answers:

1. Pound-for-pound
2. Pound cake
3. Penny-wise and pound-foolish
4. Pound sterling
5. Pound the gavel
6. Pound the pavement
7. Compound sentence
8. Pound of flesh
9. An ounce of prevention is worth a pound of cure
10. Pound out 

Credit: LA Times Crossword
Sylvia Bursztyn and Barry Tunick
...IN FOR A POUND (#4-8)