Invoice Auditing

If we only review invoice totals, we miss the line items where overcharges hide. This weekly checklist shows what to audit first and how to catch issues fast.

Most supplier invoice “mistakes” are not obvious. They hide in the line items and repeat for weeks. Here are 9 traps to look for and a simple audit process to catch them fast.

Many plumbing companies discover pricing issues only after the year is over. Here’s how starting 2026 with pricing clarity helps protect margins before problems compound.

Mid-December is one of the highest-risk periods for electrical pricing drift. Shortages, urgent orders, and supplier changes create mismatches that slip through unnoticed. Here’s why it happens — and how matching invoices to quotes keeps contractors protected.

When the Phones Start Ringing, Drift Starts Rising December is peak season for HVAC service calls. Temperatures drop. Systems fail. Crews move fast. Schedules tighten. Every hour matters. This speed is exactly what causes invoice drift to spike. Emergency calls force quick decisions. Materials get picked up rapidly. Substitutions get approved without pause. Invoices come through in stacks instead of a steady flow. This creates the perfect environment for hidden supplier chang