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Payment terms negotiation: net 30, net 60, and the real cost of early pay

Compare payment terms, early-pay discounts, and cash-flow trade-offs, then ask suppliers for a change without damaging continuity.

A restaurant decision is only as reliable as its source and assumptions. A 2% discount in 10 days versus day 30 is about 36.7% simple annualized value, but only when cash is available. Write the baseline, show the formula, and separate an observed result from an illustrative estimate. A good guide gives the manager a practical review path, a threshold for action, and a date to check whether the correction worked.

What the data can and cannot tell you

  • Net 30 means payment is due 30 days after the agreed invoice date; confirm the supplier’s definition.
  • A 2% discount in 10 days is roughly 36.7% simple annualized return versus paying on day 30.
  • Model payroll, rent, tax, and seasonal cash needs before committing to early payment.
  • Offer a trial or partial-category change and document the exact start date.

A worked example

Illustrative restaurant calculation

A restaurant compares a dated source with an expected result and finds a gap. These numbers show the method only; they are not a verified customer case.

Invoice€10,000Due on day 30 without discount
2% in 10€200 savingOnly if cash is available
Annualized value~36.7% simple2% ÷ 20 days × 365
DecisionModel liquidityAvoid overdraft disguised as saving

Use the calculation only when the source, unit, and exception log are visible. Treat it as illustrative until your own records confirm it.

A repeatable process

  1. 1Define the question. Write the decision, source, unit, time window, and threshold before opening the spreadsheet.
  2. 2Reconcile inputs. Match identifiers, quantities, dates, credits, and exceptions. Flag missing evidence instead of guessing.
  3. 3Calculate the gap. Show formula, baseline, observed result, and illustrative impact. Keep price separate from waste or process variance.
  4. 4Review and act. Have a manager review material exceptions, agree one action, and set a date to measure it.

FAQ

What is the most common mistake?
Comparing numbers that look similar but use different units, dates, specifications, or commercial terms.
How precise should the result be?
Precise enough to support a decision, not more precise than the source. Preserve the underlying invoice, image, or count.
When should a person review it?
Whenever confidence is low, the amount is material, the item is unusual, or an exception changes the conclusion.
Are the savings figures guaranteed?
No. All figures in this guide are illustrative. Validate the formula and opportunity against your own records.

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