The requirement of a buyer to prove that a product was faulty from before the time of purchase in order to get a refund

What is the beracha on spoiled (but drinkable) wine?

The parameters of selling a volume of produce or products where there is a margin of faulty or bad produce mixed in- what is the minimum a buyer agrees to tolerate?

When a chattan cancels a shidduch, does he have to pay for the engagement party?

How defected does a product need to be in order to claim back my money in a purchase?

Why Avraham was thrown into prison and the incredible evolution of his teachings over time

The parameters and scenarios where hoarding produce and essentials would be permitted/prohibited

The severity of falsifying measures and the application to our spiritual development

Is there ever a case where a elderly person or a scholarly person would be required to get involved in the returning of a lost object?

What is the status of a child purchasing food on behalf of his parents- is he given the change? is the product sent home with him?