Two inspectors can look at the same returned unit and reach different conclusions if grading lives only in personal judgement. That variance shows up later as pricing disputes, channel mismatches, and unnecessary write-downs.
Strong grading programs separate evidence from decision. People capture condition. Rules assign the grade. Categories such as seal pack, open box, minor box damage, refurbished, repairable, and salvage give commercial teams a shared language.
When grades are trustworthy, buyers move faster and brands protect reputation. Overstated condition creates complaints. Understated condition leaves money on the table. Accurate grading sits between those risks and turns returns into a managed asset class.