Insights

Financing Materials Before a Cost Increase

A supplier cost-increase letter is a spread calculation: the dollars the increase adds versus the fixed cost of financing the early buy. How to run the math.

The letter tends to arrive with a few weeks of notice. Effective the first of the month, prices on the lines you buy most are going up, and the quote you are holding is good until it isn't. Anyone who buys physical goods for a living has read a version of it, and lately these letters have been arriving more often — suppliers pass their own increases straight through.

The letter feels like an emergency. It is actually a math problem — whether financing materials before the cost increase lands beats absorbing it — and the problem is short. Here is how to run it.

A price-increase letter is a spread calculation

Three numbers decide this, and only the first is printed on the letter. First: the increase, converted from a percentage into dollars on the package you actually intend to buy. Second: the cost of the capital you would use to buy before the effective date. Third: what the increase does to a job you have already priced — because if the bid went out against today's material cost, the increase does not come out of the customer's pocket. It comes out of your margin.

Run it on a hypothetical file. Say a roofing contractor has a signed $310,000 job starting in five weeks, with a materials package quoted at $120,000 today. The distributor's letter announces a 9% increase effective the first of the month — $10,800 on this package, and the bid was priced before the letter existed. The contractor can put $60,000 of cash toward the buy without touching payroll; the other $60,000 would need short-term working capital until the first draw lands.

Say that capital comes at a 1.10 factor: borrow $60,000, pay back $66,000 — a fixed $6,000 cost, known before anything is signed. Now the ledger reads cleanly. Buying before the deadline avoids $10,800 of increase against $6,000 of capital cost, a spread of roughly $4,800 in the contractor's favor — plus something no ledger shows: the material is secured, the quote is honored, and the schedule no longer depends on a requote.

The cost-of-capital calculator on this site runs this exact ledger — amount, factor, total payback — so you can price the capital side of the spread with your own numbers before reading further.

Now change one number. Make the announced increase 4% — $4,800 — and the same $6,000 of capital turns the early buy into a losing trade on its face. Same supplier, same letter, same job, opposite answer. The letter does not decide. The spread does.

Sometimes the spread says don't — and you should listen

Not every letter deserves a purchase order — and part of advising honestly is saying so. Four situations where the answer is to let the price move:

• No signed job behind the buy. Material purchased with borrowed money against work you hope to win is not a locked cost — it is a speculative position in lumber, copper, or steel, financed at a premium. If the contract is not signed, the spread math has nothing to stand on.
• The spread is thin or negative. When the increase you avoid is smaller than the capital costs — as in the 4% scenario above — write the check from cash if the buy makes sense anyway, or simply absorb the increase and reprice your upcoming bids. Borrowing to lose money slowly is still losing money.
• The material cannot be stored well. An early delivery that sits exposed to weather, shrink, or theft gives the spread back in losses. A price lock only works if the material survives to be installed.
• The letter is cover for a recurring shortfall. If materials would strain cash every month with or without an increase, the real problem is margin or collection timing, not the price of goods — and more capital defers that conversation instead of having it.

The deadline belongs on the supplier's letter — never on your funding decision

The effective date is real. The quote expiration is real. Both were set by someone else, both are printed on paper, and neither will move because your financing is not ready. That is where the urgency in this decision lives — all of it. The funding decision itself has no deadline, and no one should hand you one.

Here is a pattern we see constantly: how urgently someone needs money tells us nothing about how strong their file is. The owners who handle price-increase letters best are usually the ones who lined up their capital relationship before a letter ever arrived. They read the letter, run the spread, and either buy or don't — calmly — because the money question was answered weeks earlier.

Speed still matters, because supplier calendars are short. This is where a direct lender changes the logistics: the file does not leave the building, a decision often lands the same day the bank statements do, and funding follows in as little as 24–48 hours. Against a letter that gives a few weeks of notice, that is enough time to run the math twice and still beat the effective date.

How to size and structure a price-lock buy

1. 1

   Get the increase in writing

   Confirm the percentage, the effective date, and how long your current quote is honored. A verbal warning from a sales rep is negotiating weather; a dated letter is a decision input.

2. 2

   Price the full landed cost

   Delivery, storage, and any early-delivery handling belong in the buy price. A locked material price that adds a month of warehouse cost is a smaller lock than it looks.

3. 3

   Finance the gap, not the package

   Size the facility to what cash cannot comfortably cover — in the hypothetical above, $60,000 of a $120,000 buy — not to the whole package, and never to the biggest number a funder will approve.

4. 4

   Match the term to the job that consumes the material

   The facility should clear when the job that uses the material pays. If the draw schedule says the money lands in eight weeks, that is the horizon — a longer term just adds cost to a solved problem.

5. 5

   Check the payment against a slow week

   Size the payment so it is comfortable in a week with no draw in it. A buy that only pencils in your best week is not sized to the job — it is sized to optimism.

If you are holding a letter and a quote right now, this spread takes an advisor about ten minutes to run with you — the package cost, the increase, the draw schedule, and what your deposits support. Express Capital underwrites in-house, from $250,000 a year in revenue and a year or more in business, and the calculator above prices the capital side the same way an advisor would. Bring the letter; the math is the conversation.

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