It is not permissible to exchange old gold for new gold and pay the difference in value

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Check below answers in case you are looking for other related questions:
Developing websites for selling haraam things
It is not permissible to buy bank shares or deal in them

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Related Answers:
Ruling on “Business” and other scams
Selling something that is not in your possession
Working for a company that sells gold on credit
Developing websites for selling haraam things
It is not permissible to buy bank shares or deal in them

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