Should he go for an interest-based mortgage if that is cheaper than renting?

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Check below answers in case you are looking for other related questions:
Buying a house through the bank
Taking a loan with interest in order to get married

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Related Answers:
He bought a house with a riba-based loan; should she accept him as a husband?
Should he take a riba-based loan in order to buy a house?
Zakaah on monthly salaries and how is zakaah to be paid by one who is in debt?
Buying a house through the bank
Taking a loan with interest in order to get married

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