My grandmother told me: 'Never be in debt to anyone or anything.' Which is probably why I've never been financially extravagant - I still go to Costco. I'm always conscious of living within my means.

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“My grandmother told me: 'Never be in debt to anyone or anything.' Which is probably why I've never been financially extravagant - I still go to Costco. I'm always conscious of living within my means.”