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Operator glossary

Variable closing fee

The flat $1.80 per-unit surcharge on media categories — books, DVDs, music, video games — a relic fee that quietly redefines margin math for low-price media sellers.

Media categories (books, music, video, DVD, software, video games) carry a variable closing fee of $1.80 per item sold, on top of the category referral fee. It is a legacy of Amazon's bookstore era that never left — and on a $6.99 used book it is the difference between margin and charity.

Anyone modeling media economics builds it in as a constant: referral (15% on books) + $1.80 + fulfillment. It is also why media sellers price against thresholds and why penny-book economics only ever worked with letter-mail shipping rates that no longer exist.

The numbers

  • Rate: $1.80 flat per media unit sold (books, music, video/DVD, software, video games), on top of referral fees.
  • On low-price media the fee dominates the margin model — build it in as a constant.

Primary sources: Amazon selling fees (official)