Doctorow still has a mortgage? (Like, and not because the interest rate is so low that he’d pay it as slow as possible? And even then, why use that as your stan

Doctorow still has a mortgage? (Like, and not because the interest rate is so low that he’d pay it as slow as possible? And even then, why use that as your standard of “having a lot of money”?) I guess I overestimated the returns to fame?