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Part of Net 30 accounts: the payment term, the start date, and reporting
The float and the discount: what net-30 accounts examples reveal
Net-30 accounts examples: four invented businesses showing what the float is worth, when a discount beats it, and why terms can be withdrawn mid-season.
What to take away
- A net-30 account is a short free loan from a supplier. Amazon Business Pay by Invoice, Grainger, Uline and Quill extend one to approved business customers.
- Terms are a cash-flow instrument first and a file-building instrument second, and the two goals sometimes point in opposite directions.
- The most expensive mistake here looks ordinarytaking the 30 days and ignoring a 2/10 net 30 discount worth near 37% a year.
- A supplier's terms are reviewable at its discretion, which is a risk to plan around rather than a betrayal.
One: the float, from Amazon Business to Uline
A garden supply retailer buys stock in March and sells it through June. Prepay, and every March purchase comes out of cash the business does not comfortably have. On a net-30 account the goods arrive in March and the invoice falls due in April, after some of the stock has sold.
Nothing was borrowed and no interest was charged. The supplier gave a month of financing as part of the sale.
That month is the whole appeal of trade terms. It is also why they usually belong before a facility that charges for the same month. Suppliers that extend them include:
The float
- Amazon Business Pay by Invoice gives approved business customers net 30 on eligible orders, against a credit limit Amazon sets on the account.
- W.W. Grainger runs a business credit account for MRO supplies, invoiced monthly on net 30 terms after a credit application.
- Uline issues a net 30 credit account for shipping and packaging supplies and takes purchase orders from approved customers.
- Quill, the Staples-owned office supplier, opens a net 30 credit account for businesses that pass its credit check.
- Fastenal extends net 30 terms on an approved business account for fasteners, tools and safety supplies.
- The Home Depot Pro commercial account carries 30, 60 or 90 day terms on a revolving commercial line.
- Lowe's Commercial Account gives approved business customers net 30 terms on materials and tools.
- Google Ads opens monthly invoicing, a net 30 credit line for qualifying advertisers, after a credit check and a payment history review.
- FedEx and UPS both issue business shipping accounts, where you ship now and settle a monthly invoice.
The arithmetic of what that month is worth is set out in vendor accounts calculator.
Two: the discount that beats the float (2/10 net 30)
A cafe supplier offers a choice: pay the invoice within ten days for 2% off, or pay the full amount at thirty days. Many owners take the thirty every time, reasoning that keeping cash longer is always better.
The discount runs against them. A year holds about 18 twenty-day windows, and scaling 2% by 365/20 gives roughly 36.5%, usually rounded to 37% a year on the money kept back.
The cost of skipping a 2% discount
- 2%discount for paying 20 days early
- 20 daysearly payment window
- 18such windows in a year
- 37%annualized cost of declining
Compare that rate with the alternatives. A typical business credit card runs about 18% to 29% APR, and card processing typically costs 2.6% to 2.9% plus a small per-transaction fee. Both sit below the implied cost of declining the discount.
Unless the business truly cannot fund the earlier payment, or can earn more than 37% with that money elsewhere, taking the 30 days is the more expensive choice by a wide margin.
The 2% and 20-day figures are the standard 2/10 net 30 label, not one supplier's offer. Your supplier's terms will differ, so run the calculation on the actual invoice.
Three: the accounts that never reach a credit file
Two years of on-time payments can leave a nearly empty file if the suppliers never report. The terms then do their cash-flow job and their file-building job not at all.
Net-30 accounts split in two on this. Invoice programs such as Amazon Business Pay by Invoice and Google Ads monthly invoicing run on that company's own credit check. Open credit accounts at distributors such as Grainger, Fastenal, Uline and Quill are the type that sometimes reach a bureau.
Nobody advertises which is which, so ask. The question for a vendor's credit department is whether it reports payment history to Dun & Bradstreet or Experian Business, covered in net-30 accounts.
The recoverable part: the same purchasing, moved to a supplier that reports, would have cost the same and left a record. The unrecoverable part is the two years.
Four: when a supplier pulls terms back
A plumbing contractor holds net-30 with a merchant for three years. In a quiet quarter the merchant reviews its exposure and moves the account to prepayment with two weeks' notice.
Nothing was breached. An open net-30 account is usually a reviewed credit line rather than a fixed-term loan. Home Depot Pro, Lowe's and Amazon Business set a limit on an account, and the issuer can lower it or ask for a card on file.
A merchant that tightens across its whole book is not judging this customer. The lesson is planning, not grievance. A business depending on one supplier's terms for working capital has a point of failure it did not choose. Spreading across two suppliers, or holding an unused facility, turns the risk into an inconvenience.
Reading all four together
Terms are cheap money with a string attached: the lender is also your supplier, so the two relationships move together. When the supplier tightens, financing and supply tighten at the same moment.
That is an argument for using terms, not for avoiding them, and for not depending on any single one. Where terms sit against other mechanisms is covered in tradelines, and the groundwork that makes a supplier say yes is in credit foundations.
For a neutral outline of working-capital options and what each one costs, the SBA's guidance on funding your business is a reasonable place to check this against. The FTC's business credit and finance material covers how credit is advertised and offered to businesses, which is useful before reading anybody's terms page.
Common questions
Are the figures in the second section a real supplier's terms?
No. 2/10 net 30 is a standard label and the 18-window arithmetic is the method rather than one vendor's offer. Run your own invoice through it.
Do these net-30 accounts charge interest?
No, when the invoice is paid inside the term; late payment usually triggers a finance charge set in the agreement. Net 30 is free float from the supplier, which is why it usually comes before a facility.
How do I know whether to take a discount or the float?
Convert the discount to an annual rate and compare it with what the money costs you elsewhere, or earns you elsewhere. The method is worked through step by step in vendor accounts.
Which of these accounts suits a new business first?
The one you already buy from. Uline and Quill come up often because a shipping or office supplies order is small enough to manage.
Can a supplier really withdraw terms without warning?
Read the agreement, because that is where the notice period lives if there is one. Many trade arrangements are informal enough that the answer is yes, which is the reason to have a second source.
