Maybe if you have 10 pairs of shoes and you are sure to wear each pair the same amount, and you don't walk that much. That or you basically never walk on non-ca

Maybe if you have 10 pairs of shoes and you are sure to wear each pair the same amount, and you don't walk that much. That or you basically never walk on non-carpeted surfaces at all. I suppose you could also have be having them repaired, but cheap shoes don't tend to be very repairable.