Ádám Mélykúti's crossword (all answers that have spaces have them replaced with underscores _)

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Across
  1. 2. When your ancestor dies and you're the first child, you ... their money
  2. 5. When you're unsatisfied with the service you paid for and demand your money back (Karen)
  3. 7. To play risky games with your money
  4. 9. Money children occasionally get from their parents
  5. 10. To spend money on pointless things
  6. 12. If you don't have enough money on your credit card when you pay, this happens if your bank allows it
Down
  1. 1. When you buy a product for much cheaper than what it's worth
  2. 3. The little paper you get when you buy a product
  3. 4. A timespan in which products are cheaper in a store
  4. 6. If you don't have enough money, that means you can't ... the product
  5. 7. A card that you can use in a specific store
  6. 8. You're in ... if you owe money to your bank
  7. 11. To give someone money that they'll hopefully pay back after some time