Is it wrong to fleece adventurers at the item shop?

Usually you have plans for your life. So did I. Life had different plans for me though. … I used to dream of becoming an adventurer, maybe even a hero. I wanted to travel and see the world. Then my grandma died. Thus I'll run the item shop she left me instead. … Coin only! You break it, you buy it! And most important: No refunds! Cover done by me. The story will be updated once a week, usually on a saturday. [participant in the Royal Road Writathon challenge] [Fantasy], [First Person], [Present Tense], [System], [Female Protagonist], [Slice of Life], [Slow Burn], [Item Shop], [Business], [Magic]