How should I handle “how to compare stores for self serve junkyard 내 근처” when shopping for “self serve junkyard 내 근처”?

For “self serve junkyard 내 근처”, call before traveling. Give the VIN, exact part description, and old part number; ask the store to confirm physical stock, hold time, condition, price, core charge, and return rule in writing. Compare the complete pickup-and-install outcome, not distance alone. End with a go / no-go rule the reader can apply without jargon.