Depending how bad it is,they are probably gonna offer u a new tire at cost
Most sidewall damage can't be repaired due to so much flexing during operation.
No. They may give some credit.
They will give you an honest appraisal of whether they can be repaired. I have had them repair a puncture and they did it without charging me (it was a simple repair for them). Pleasant surprise! But that's their reputation!
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