Is it permissible in Islamic law to subscribe to e-marketing websites that allow a subscriber to purchase an advertising package and become a partner and marketer for the website, receiving a specified percentage of the sales of packages from those he brings in, with the possibility of achieving an additional profit of 120% on the capital invested in the package after a specified period, given that this profit depends on watching daily advertisements and on the company's sales, such that the profit is not guaranteed?
Purchasing an advertising package to share in a website's sales profits involves an unknown (jahalah) regarding the payment and duration. The daily viewing of ads has an unknown duration (two to three months or more), and the website's achievement of sales from these packages is completely unknown. This state of uncertainty (jahalah) invalidates the contract and renders it based on gharar (excessive uncertainty) and qimar (gambling). Therefore, the transaction is prohibited and void.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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