If you mean like a pyramid scheme then it’s not permissible.

Is networking halal? Like inviting a person and you can get a money?

Jobs | October 2, 2017 4:38 am
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A middleman opens a website with his own brand, he has an agreement with the wholesaler(other brand) that he will find retail customers for him. Middleman sets his own retail price on the website. The customers come directly to the wholesaler, buy the product on pre-agreed price, middleman gets his commission after that. Is there anything wrong with this scheme like selling what you don’t possess?
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Ya Sheikh! We take fixed profit from bank, I know it’s haram but if we end it, there is no other source of income, my father is a debtor and is suffering business crisis, I heard dogs business is prohibited in Islam, but what if we just invest our money in someone else dogs business, to help earn our livelihood, Is there any concession regarding to the situation?