背せ取どり

noun

book reselling; secondhand book arbitrage

Refers to the practice of buying valuable secondhand books at low prices and reselling them for a profit, often through online marketplaces. The term is strongly associated with book arbitrage, though it can sometimes extend to other secondhand goods.

• 彼かれはせどりで生せい計けいを立たてている。

  He makes a living from book reselling.

• 古ふる本ほんの背せ取どりは、知ち識しきと経けい験けんが必ひつ要ようだ。

  Book arbitrage requires knowledge and experience.