What is the ruling on marketing by giving discount coupons?

Ruling on marketing using images of famous people including unveiled, adorned women

What is the ruling on making use of gifts that were previously received on birthdays and innovated festivals?

She contributed one third to building a house with her husband; should he put it in her name?

Ruling on using mobile phone credit to buy things

What is the ruling on charging fees in return for transferring credit on a mobile phone to someone else?

He left his watch in pledge with the seller, and he did not come to pay off what he owed at the appointed time

Using cookies [computer files] for online marketing

She agreed with her friends that whoever got the highest grades would buy chocolate for the others; is that permissible?

Ruling on making a product in a factory and putting the client’s name on it as a trademark