I've reached mine, too. From what I understand you can't lend with interest and you can't lend what you don't own (https://en.wikipedia.org/wiki/Islamic_banking

I've reached mine, too. From what I understand you can't lend with interest and you can't lend what you don't own (https://en.wikipedia.org/wiki/Islamic_banking_and_finance https://en.wikipedia.org/wiki/Islamic_banking_and_finance).