A business line of credit is not a loan. Not exactly. And that distinction matters a lot more than most people realize when they’re trying to figure out how to keep cash flowing without taking on more debt than they need.
I talk to business owners every week who think a line of credit is just a smaller version of a term loan. It’s not. The mechanics are different, the cost structure is different, and the situations where it actually helps you are different too.
So let’s break it down from scratch.
What a Line of Credit Actually Is
A business line of credit is a revolving credit facility. Your lender approves you for a maximum amount, say $150,000, and you can draw from it whenever you need it, repay it, and draw again. You only pay interest on what you actually borrow, not the full limit.
Think of it like a water tank on your property. The tank holds 150,000 gallons. You don’t pay for 150,000 gallons sitting there. You pay for what you actually use. Fill it back up, you can use it again.
A term loan is different. That’s a lump sum delivered to your bank account on day one. You owe interest on the full amount from the moment it lands, and you repay it in fixed installments over a set period regardless of whether you used all of it or not.
Both tools have their place. But they solve different problems.
How It Works in Practice
Meet Diane. She runs a landscaping company in the midwest. Revenue is strong but seasonal. Spring and summer she’s flush. January and February she’s sweating payroll.
Diane gets approved for a $100,000 business line of credit. She doesn’t touch it all summer. Come February, she draws $40,000 to cover payroll and equipment maintenance while she waits for the spring contracts to kick in. She pays interest only on that $40,000. By April, she’s paid it back. Her line resets to $100,000 and she’s ready for whatever comes next.
That’s the right use of a line of credit. Short-term cash flow gap, predictable revenue coming in, clear plan to pay it back.
The wrong use is treating it like a term loan. Drawing the full amount to fund a long-term investment, a piece of equipment you’ll be paying off for five years, or a renovation that won’t generate returns for 18 months. Lines of credit are not designed for that. The interest rate is typically higher than a term loan and the repayment structure doesn’t match a long-horizon investment. You’ll end up paying more and feeling more pressure than you needed to.
Secured vs. Unsecured: What’s the Difference
Lines of credit come in two basic flavors and the difference affects your rate, your limit, and how hard it is to qualify.
Secured lines of credit are backed by collateral. That might be accounts receivable, inventory, equipment, or real estate. Because the lender has something to grab if you stop paying, they take on less risk, which typically means lower rates and higher limits for you.
Unsecured lines of credit require no collateral but almost always require a personal guarantee. The lender is betting on your credit profile, your revenue history, and your word. The rate will be higher to compensate for that added risk, and the limits tend to be lower.
Most small business lines of credit in the $25,000 to $250,000 range are unsecured with a personal guarantee. Once you start talking about larger facilities, lenders typically want assets backing the deal.
What a Line of Credit Actually Costs
This is where people get surprised. The interest rate is not the only cost. Here’s what you might actually be paying:
| Fee Type | Typical Range | When You Pay It |
|---|---|---|
| Interest rate | 7% to 25%+ APR depending on lender and credit profile | On outstanding balance only |
| Origination fee | 1% to 3% of credit limit | When the line is opened |
| Draw fee | 1% to 3% per draw | Each time you pull funds |
| Annual or maintenance fee | $100 to $300 per year | Ongoing, whether you use it or not |
| Inactivity fee | Varies by lender | If you don’t draw for 6 to 12 months |
The draw fee catches people off guard. If you’re pulling $20,000 and your lender charges a 2% draw fee, that’s $400 added to your cost before interest even starts. If you’re making small frequent draws, those fees add up fast.
Always ask for the APR, not just the interest rate. APR folds in fees and gives you a real apples-to-apples comparison between lenders. A lender advertising 9% with heavy fees can be more expensive in practice than a lender at 12% with no fees.
What Lenders Look at When You Apply
Getting approved for a line of credit is not dramatically different from any other business financing. Lenders are trying to answer one question: can this business reliably pay back what it draws?
Here’s what they look at:
- Personal credit score. Traditional banks typically want 680 or higher. Online lenders can work with scores in the 580 to 620 range, but you’ll pay for that flexibility in rate.
- Business revenue. Most lenders want to see at least $100,000 in annual revenue, sometimes more depending on the credit limit you’re requesting.
- Time in business. Two years is the standard threshold for banks and SBA lenders. Some online lenders will work with businesses as young as six months.
- Cash flow consistency. Steady monthly deposits signal lower risk. Erratic revenue patterns, frequent overdrafts, or large unexplained swings are flags in underwriting.
- Existing debt obligations. Your debt service coverage ratio matters here. Lenders want to see that your income covers your existing payments with room to spare before adding more.
If you’re on the weaker end of any of these, that doesn’t mean you don’t qualify. It means you’ll likely be working with an online or alternative lender at a higher rate, or you’ll be starting with a smaller limit and building from there.
When a Line of Credit Makes Sense
A business line of credit is the right tool when the problem you’re solving is temporary, predictable, and self-liquidating. Meaning the cash you need now will be replaced by revenue coming in soon.
Good fits:
- Seasonal cash flow gaps when you know revenue is coming but timing doesn’t line up
- Covering payroll during a slow period
- Buying inventory ahead of a peak season
- Bridging the gap on a large receivable that’s 45 or 60 days out
- Emergency repairs or unexpected expenses that can’t wait
- Keeping operations running while you wait on a contract to close
Poor fits:
- Funding a long-term asset like equipment or real estate (use a term loan or equipment financing instead)
- Covering ongoing operating losses with no clear path to profitability
- Debt consolidation (a term loan with a fixed rate is usually a better structure)
- Funding growth initiatives that won’t generate returns for 12 months or more
The rule of thumb I give people: if you can’t articulate a clear, specific plan for how the draw gets paid back and when, a line of credit is probably not the right move right now.
Lines of Credit vs. Business Credit Cards
People ask this constantly. A business credit card is technically a revolving credit facility too, so what’s the difference?
A few things. Credit cards carry higher interest rates, often 20% to 30% APR. A business line of credit from a bank or SBA lender is going to be significantly cheaper if you carry a balance. Credit cards also have lower limits in most cases, especially for newer businesses.
Where credit cards win: rewards, ease of use for everyday purchases, and the ability to float a balance interest-free if you pay it off monthly. For day-to-day operational spending that you’re paying back in full each month, a business credit card is often the smarter tool. For larger draws that you’ll be paying down over several months, a line of credit is almost always cheaper.
How to Use a Line of Credit Without Getting Burned
The most common mistake I see is businesses that open a line of credit for a specific short-term need, draw it down, and then never pay it back because they keep finding new reasons to keep the balance up. Six months later they have a maxed-out line, a high interest expense, and less flexibility than they started with.
A few principles that keep it from going sideways:
- Have a payback timeline before you draw. If you don’t know how it gets paid back, don’t draw it.
- Pay it down as fast as you can. Interest only accrues on the outstanding balance. The faster you pay it down, the less it costs you.
- Don’t treat it like a permanent working capital solution. If you need permanent working capital, that’s a term loan conversation.
- Watch the fees. Small frequent draws can be expensive. Consolidate draws where you can.
- Keep the line active. Some lenders charge inactivity fees or close dormant lines. A small draw once or twice a year keeps it healthy.
SBA Lines of Credit: A Different Animal
The SBA offers lines of credit through its CAPLine program. These are government-backed revolving facilities designed specifically for working capital, seasonal needs, contract-based businesses, and construction. The rates are competitive because of the SBA guarantee, but the documentation requirements are substantial and approval timelines are longer than a traditional bank line or online product.
If you’re a business with strong financials, clear seasonal patterns, or a contract-driven revenue model, a CAPLine can be an excellent long-term tool. If you need capital in two weeks, it’s not the right path.
There’s also the SBA Express Line of Credit, which uses the Express program structure for faster approval. Lower guarantee percentage for the lender, which means stricter underwriting on their end, but significantly faster timelines than a standard CAPLine.
The Bottom Line
A business line of credit is one of the most flexible financing tools available to small business owners. Used right, it gives you a safety net without the cost of carrying debt you don’t need. Used wrong, it becomes a crutch that gets more expensive the longer you lean on it.
The key is matching the tool to the problem. Short-term cash flow gaps, seasonal cycles, receivables timing, emergency buffers. That’s the lane. Anything that requires capital for longer than six to twelve months is probably a term loan or equipment financing conversation instead.
If you’re trying to figure out whether a line of credit is the right move for your situation, or if something else would serve you better, let’s talk. That’s exactly the kind of conversation I have every day, and it costs you nothing to have it.
