Invoice AuditorRead-only books-integrity agent for QuickBooks
Detect Vendor Unit-Price Creep Hidden in Your QuickBooks Bills
Your supplier raised the price and the books never showed it — because the order quantities changed every month, so no bill total ever repeated. A free, read-only AI agent reads the item lines, not just the totals.
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Why a price increase hides in QuickBooks
When a supplier quietly raises a unit price but order quantities keep varying, every bill total comes out different — so every bill looks normal. The increase lives down on the item lines, where almost nobody has time to look purchase by purchase. There's no email, no announcement; the new price just arrives, buried inside a total that never repeats. The books hold the evidence, but the totals camouflage it.
How the agent surfaces the increase
Connect QuickBooks Online read-only and the AI agent reads the item lines across purchases — the same item, the same vendor, in order. It surfaces the moment a unit price stepped up and confirms it stayed up, then puts one number on it: what the increase costs per year at the client's actual purchase rate. A bookkeeper sees the whole story in a glance — was, now, since when, and the annual impact — all for review. The agent never touches your books.
A concrete example
On a connected file, the agent flagged 'Widget A' from Summit Supply Co: the unit price moved from $2.50 to $2.90, a 16% increase, and held at the new level across later purchases despite quantities swinging between 180 and 320 units a month. At the real purchase rate, that step costs roughly $1,683 a year on that one item. The agent frames it as a price change to confirm — verify it was agreed — never as an accusation.
Why it matters for cost control
A 16% creep on a single recurring item compounds quietly across an entire year and every future shipment. Surfacing it gives a bookkeeper or fractional controller a concrete, dollar-denominated reason to open a conversation with the client or the supplier — renegotiate, confirm the change was agreed, or budget for it. It's the kind of finding that turns routine bill entry into genuine cost-control advisory.
Find it in your books
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Start free scan See a sample report →Frequently asked
What is vendor price creep?
Vendor price creep is a gradual, often unannounced increase in a supplier's unit price. Because purchase quantities vary, the bill totals keep changing too, so the increase never stands out — it only shows up if you track the per-unit price on the item lines across purchases.
Why doesn't QuickBooks show supplier price increases?
QuickBooks records each bill but doesn't trend an item's unit price across purchases or alert you when it steps up and stays up. When quantities vary, no total repeats, so nothing looks unusual. This AI agent reads the item lines read-only and surfaces the increase for your review.
Is the dollar figure a recovery or a saving?
Neither. The agent reports it as the extra cost per year at the client's actual purchase rate — a forward-looking figure for your review, not money recovered. It's a diagnostic to support a conversation, framed as a price change to confirm rather than a claim.
How do I check a client's books for price creep?
It's free to start, no credit card. Sign in with Google, connect QuickBooks Online read-only, and the agent tracks each item's unit price across purchases. For clients who buy materials or stock regularly, it usually surfaces something in about a minute.