I ordered one book from Amazon, but received two (of the same). Should I return it?
closed as off-topic by DonielF, magicker72, רבות מחשבות, sabbahillel, Loewian Jul 29 '18 at 5:14
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Questions asking for a practical ruling (p'sak halacha) are off-topic. For practical advice consult your rabbi. Try to broaden the question so it applies to a wider audience, such as by asking what sources are applicable to the question. (More information.)" – DonielF, magicker72, רבות מחשבות, sabbahillel, Loewian
Rambam says (גזלות ואבידות יא:ד) you can rely on the non-jew’s authority in a sale, that he is in charge, and should he mess up, you’re off the hook.
Otherwise you may then מחלל שם שמים. Which is similarly expressed in Tosefta (Baba Kama 10:8):
הגוזל את הנכרי חייב להחזיר לנכרי חמור גזל הנכרי מגזל ישראל מפני חילול השם