Are YOU the best puzzler out there ?

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Across
  1. 4. doesn't grow on trees
  2. 5. this is something on your hand that dogs don't have on their paws
  3. 9. flower on our cover
  4. 14. clothes for your nails
  5. 16. it's raining these two common house pets
  6. 17. items are marked down to lower prices for a period of time
  7. 18. you wear this on your finger
Down
  1. 1. you don't want to write with this and make a mistake
  2. 2. pocketfull of
  3. 3. color of grass
  4. 6. the study of life
  5. 7. leader of the populist party
  6. 8. _ _ _ _ _ & shoes
  7. 10. not difficult
  8. 11. classic red flowers
  9. 12. mattress for your head
  10. 13. boa constrictor
  11. 15. we all fall down