Debt is neither a sin nor a strategy. It's an amplifier. Borrowing accelerates whatever is already true about your business. If each dollar of work you sell reliably produces profit, debt buys you more of those dollars sooner. If the work loses money or barely breaks even, debt buys you bigger losses on a schedule. So the real question isn't whether debt is good. It's which business you have.
Know which business you have
Before any loan conversation, you need honest unit economics. By unit economics I mean what you keep when you sell one more of whatever you sell: one more project, one more month of a retainer, one more product, after the cost to deliver it. If that number is a solid, repeatable margin and the only thing preventing more sales is capacity, equipment, staff, space, then borrowing for that capacity is borrowing with a payback engine attached. If the margins are thin or you're not sure, the loan doesn't fix that, it finances it.
Borrowing for capacity vs. borrowing to cover
This is the line that matters. Borrowing for capacity means the loan buys something that produces revenue: the machine, the hire, the location. Borrowing to cover means the loan fills a hole, making payroll, catching up on bills, smoothing a slow season. Cover-borrowing isn't always wrong, a genuinely temporary gap with a known end can justify it, but it needs a much harder look, because a loan that covers a recurring shortfall doesn't end the shortfall, it adds a payment to it.
How to evaluate a business loan
1. Payment test. Put the monthly payment against your tightest week, for six historical months. Does it still clear?
2. Stress test. Would the payment still clear if revenue dropped 15% for a quarter? (I use 15% as a reasonable shock, not a magic number, growth plans have soft quarters.) Lenders run their own version of this, often called a debt service coverage ratio, checking whether your cash flow comfortably covers the payment.
3. True cost. Know the rate, the fees, any personal guarantee, whether the rate is fixed or variable, and what happens if you pay it off early.
4. Written job description. Put in writing the number the loan is supposed to produce: this borrowing should generate roughly this much additional monthly profit by roughly this date. A loan with a written job description can be evaluated. A loan taken on optimism can only be endured.
When waiting wins
If the unit economics aren't proven yet, wait and prove them small. If the growth is one big prospective client rather than a broadening base, wait, concentration plus leverage is a fragile combination. And if the honest reason for the loan is that cash always feels tight, the better first move is finding out why, because tight cash in a profitable business is usually a collections and timing problem that borrowing would mask, not solve.