articles on Buying and Selling

Selling non kosher items online
I have some non kosher kitchen items that I would like to sell online. I am wondering if I have to list on the ad of each product, that these dishes aren't Kosher?

Mistaken Marked Price
If an item in a store is marked with a certain price, and when I go to pay at the cashier the computer reads out a much lower price, am I obligated to inform the cashier?

money sent by mistake
they forgot to cancel my membership and the Ministry of Religious Services sent the money for my scholarship

Borrowing money from special needs son
Is there a problem in taking a loan/borrowing money from my 20 year old special needs son?
Lessons on Buying and Selling

Baffled Raffle
Yossi Swapped his raffle ticket with Shimmy's and Shimmy won the first prize. who owns that prize?
Rabbi Daniel Kirsch | Sivan 26 5781
Pressuring a Store to Take Back Purchase
I bought something in a store and wanted to return it. The customer service person was reluctant to take it back, but I was persistent and she eventually agreed to it. Was it permitted for me to handle it as I did, or did I violate lo tachmod (I heard in a shiur that you can violate this when pressuring a store to give a refund)?
Rabbi Daniel Mann | Kislev 21 5781














