articles on Renting, Buying & 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?









