Should I Use Business Cash or Borrow to Fund a Major Purchase?

Paying cash avoids interest and keeps things simple, but it ties up money that could otherwise be doing something else for the business — covering a slow month, funding a marketing push, or sitting as a buffer against the unexpected. Borrowing costs more in total, but preserves that cash. The right choice depends on what your cash would otherwise be doing, and how comfortable the business is without that buffer.

• No interest cost — the total cost of the purchase is simply its price.

• No ongoing repayment obligation, which simplifies cash-flow planning.

• No approval process, paperwork, or lender relationship to manage.

• Genuinely sensible when the business has cash well beyond its reserve needs, sitting otherwise idle.

• Preserves cash reserves for the business's genuine buffer needs — covered in detail in its own guide on how much cash to keep on hand.

• Keeps cash available for other opportunities — stock, marketing, hiring — that might generate a better return than the interest saved by paying cash.

• Spreads the cost over time, matching the expense to the period the asset is actually being used to generate revenue.

• Can make sense even when cash is available, if the interest rate is low relative to what that cash could otherwise achieve in the business.

It's rarely really a question of “can we afford this” — it's “what's the best use of our cash, considered against the real cost of borrowing.” If paying cash would leave the business's reserve below a comfortable level, or would mean passing up a clearer opportunity elsewhere, borrowing — even at a real interest cost — may leave the business in a stronger overall position than paying cash would.

A business has $60,000 in cash reserves and wants to buy $25,000 of equipment. Its target cash reserve, based on its own essential monthly costs, is $54,000. Paying cash would drop reserves to $35,000 — meaningfully below target, and into genuinely uncomfortable territory if a slow month followed. Financing the purchase over three years at a modest interest cost keeps the reserve intact, at the cost of manageable monthly repayments — in this case, a fairly clear argument for borrowing despite having the cash available.

• Cash reserves are comfortably above target even after the purchase, with genuine surplus beyond that buffer.

• There's no other clear, higher-value use for the cash in the near term.

• The interest rate on offer is high relative to what the cash could otherwise achieve.

• You place a genuine value on simplicity and avoiding any additional financial commitment.

• Would paying cash for this leave my reserve above or below my genuine target buffer?

• Is there a clearer, higher-value use for this cash elsewhere in the business right now?

• Have I compared the actual interest cost of borrowing against what the preserved cash could realistically achieve?

• Am I making this decision deliberately, or defaulting to “pay cash because we have it” without weighing the alternative?

• you're weighing a significant purchase and want the cash-versus-borrow decision modelled properly;

• you're not sure what your genuine cash reserve target should be before making this decision;

• you want to compare financing offers against the real opportunity cost of paying cash; or

• you're making several large purchase decisions and want a consistent framework for approaching them.

→ How Much Cash Should My Business Keep in Reserve?

→ Is Business Debt Always Bad — and When Can Borrowing Help a Business Grow?

→ Should I Buy, Lease or Finance Business Equipment?

SKC Accounting | Knowledge Centre | Knowledge Guide 085

Last reviewed: August 2026

General information only. This guide does not take into account your individual circumstances and is not a substitute for professional accounting, taxation, legal or financial advice.