How should I handle “how to compare stores for self serve junkyard près de moi” when shopping for “self serve junkyard près de moi”?

For “self serve junkyard près de moi”, 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.