Surcharges and overbilled weights on $2.4M of parcel spend

The situation

The brand ships about $2.4M a year in parcels, mostly ground services, direct to consumers and wholesale to stores. Invoices were paid on auto-pay.

What was uploaded

• Carrier invoice detail files for 12 weeks
• A list of wholesale store addresses (business addresses)
• Packaging dimensions per product

What the engine found

• Residential surcharges on business addresses

  $4,700

  Wholesale shipments to stores billed with residential surcharges.

  Rule: residential_on_commercial

• Billed weight above measured

  $3,900

  Dimensional weight billed above the measured box size.

  Rule: weight_overbilled

• Duplicate tracking numbers

  $1,600

  Charges billed twice for the same tracking number.

  Rule: duplicate_tracking

• Late on a guaranteed service

  $1,400

  Overnight shipments delivered late on a service where the money-back guarantee was reinstated in 2026. No late claims on Ground, where it remains suspended.

  Rule: late_delivery_guaranteed

• Repeat address-correction fees

  $1,200

  Correction fees on addresses already delivered to without correction.

  Rule: address_correction_repeat

• Voided labels charged

  $1,100

  Labels voided in the shipping tool but still billed.

  Rule: void_label_charged

The numbers

Found

$13,900

Expected

$9,300

Recovered within 3 months

$8,600

What it would cost, three ways

Over the same 3 months, in USD.

Time spent

About 5 hours: a weekly upload and filing disputes in the carrier portal.

The lesson

Late-delivery refunds were a small part of the money now that most guarantees are suspended. Surcharges and weights were most of it, and short adjustment windows made the weekly run matter.