22.

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Across
  1. 3. Ken or Rocky out of money? (5)
  2. 4. A RIDGE Positioned for ambush, as in many Westerns
  3. 5. IN Trap, as a car
  4. 6. He makes money out of money! (5)
  5. 7. Units of currency with symbols inspired by the Greek letter epsilon (5)
  6. 8. Out of cash? Hide last of it! (5)
  7. 11. All out of money (5)
  8. 12. Crime of cheating out of money
  9. 15. They cover the head milk producers out of cash (5)
  10. 16. Ambush as temporarily out of money with speed (5)
  11. 17. Cheat out of money
  12. 18. IN Trap, as at a ski lodge
  13. 19. Where Ali KO'd Foreman, 1974
  14. 21. Whom Holyfield KO'd, 11/9/96
Down
  1. 1. Not fine
  2. 2. Not fine
  3. 5. Out of money with number not working (6)
  4. 8. Golf club shortly out of money (5)
  5. 9. Eric runs out of money for a keepsake (5)
  6. 10. Mistakes with the music (5)
  7. 11. Cheats out of money
  8. 13. Waylay, as a conversation
  9. 14. The pronoun with the musical ring to it? (5)
  10. 15. Not fine
  11. 17. Moves with the music
  12. 20. Common way to be out of money when covered by pebbles etc.