Beware of The Dog Aluminum Warning Sign

The discount curve

Price trend

Market rangePER UNIT (QTY 25+)

TYPICAL

FLOOR

CEILING

● TYPICAL SITS MID-BAND

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The discount curve

Show as table

QTYFLOORTYPICALCEILINGVENDORS

103

253

Procurement playbook

What moves the price

Where your quantity sits against the 1/5/10/25 break points (just under a break is the expensive place to be)
Materials and specification of the item
Quantity and where it falls against a vendor's price breaks
Finishing, customization, or add-on services

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Setup or one-time fees charged per unit or repeated on reorders
A specification quietly changed from what you asked for
Rush surcharges applied to a standard timeline
Line items bundled into a single total so individual prices can't be compared

Negotiation levers

Standardize the specification so vendors quote like-for-like
Consolidate volume or designs to share fixed costs
Offer schedule flexibility in exchange for a better rate

About beware of the dog aluminum warning sign pricing

Priced per unit with quantity breaks. Vendors quote steps at 1 / 5 / 10 / 25 units, and the per-unit rate drops at each break.

Why do two quotes for the same item differ so much?

Usually a specification or finishing difference, not the core work. Ask both vendors to quote the identical spec and the gap normally narrows.

3 vendors·May 2026·How benchmarks are calculated →

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Upload it for a line-by-line variance report. Each benchmarked item is measured against current vendor pricing, with specific figures for negotiation.

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