Supplemental Damage, Total Loss, and Customer Communication
Supplemental damage
A supplement is an authorized addition to the original estimate when hidden damage is found after disassembly. Candidates must understand the process: document, photograph, obtain authorization, and update the estimate. Supplements are normal, not evidence of a bad original estimate - hidden damage is expected. Know teardown and blueprinting as tools to reduce surprises.
Total loss
Understand actual cash value (ACV), repair cost, and the total loss threshold (state-specific percentage or formula). Know salvage value, diminished value, and betterment. Understand that total loss decisions are economic and regulatory, not purely technical.
Customer communication
Communicate clearly: explain the repair plan, timeline, supplements, and any change in scope. Set expectations about calibration, paint match, and warranty. Document conversations. Handle disputes with facts from the file.
Traps
Questions may imply a supplement means the first estimate was wrong - usually it means hidden damage. Another trap is confusing ACV with replacement cost, or ignoring state total-loss thresholds.
Worked example / rule of thumb
Rule of thumb: supplement = new information, not failure. Example: a rear hit reveals a cracked trunk floor after teardown - photograph, document, obtain authorization, and submit the supplement before proceeding.