A locksmith (or interested individual) can rekey a lock. The pins and keys are the cheapest part of the lock too, which is a contributing factor towards why loc

A locksmith (or interested individual) can rekey a lock. The pins and keys are the cheapest part of the lock too, which is a contributing factor towards why locksmiths lean towards destructive entry. They get to be lazy, the method can't fail and make them look stupid in front of a customer and they get to offer you a sales pitch on buying a new lock right then and there.