Tariffs hit your bank account the moment a container clears customs. You pay the duty upfront — before the goods move to your warehouse, before you invoice a customer, before a single dollar comes back in. For a small business importing $50,000 worth of product at a 25% tariff rate, that's $12,500 gone on day one. Revenue to recover it won't arrive for another 60 to 120 days.

That gap is the problem. And it's gotten significantly wider over the past year.

The National Small Business Association tracked average monthly customs duty payments from January 2025 to January 2026. They found the number tripled — from $8,400 per month to $27,200. That's not a rounding error. That's a structural cash flow drain that compounds every time you reorder inventory.

The 60-to-120-Day Hole Nobody Plans For

Here's how the cycle actually works for a small importer or manufacturer sourcing from overseas:

You place your order. You pay the tariff when the goods land. You receive inventory, process it, and prepare it for sale. You invoice your customers — often on net-30 or net-60 terms. Then you wait. By the time cash comes back in, you've already missed payroll cycles, supplier payment deadlines, or had to pass on the next inventory run because the working capital wasn't there.

Banks aren't making it easier. Nearly two-thirds of small businesses seeking traditional loans get turned down, according to the Federal Reserve's Small Business Credit Survey. The ones that do get approved are waiting weeks for underwriting — time a business with a tariff bill due at port doesn't have.

A revolving line of credit solves this specifically. You draw what you need when the duty comes due. You repay as inventory sells and receivables come in. The line resets. Next shipment, same process.

What This Actually Costs at Current Rates

Prime rate is sitting at 6.75% as of May 2026. The Fed has held rates steady through three consecutive meetings this year — January, March, and April — with cuts expected but not yet delivered. Variable-rate lines of credit at urban banks averaged 7.9% in the third quarter of 2025.

Put that in real terms. A $75,000 revolving line at 9% costs roughly $563 per month in interest if you're carrying the full balance. On a $27,200 tariff payment — the average monthly figure for affected small businesses right now — you're financing the gap for somewhere around $200 a month. That's the cost of keeping a container moving versus letting your cash position crater.

Compare that to what happens if you stack an MCA to cover the shortfall. A $27,200 advance at a 1.40 factor rate costs $10,880 in fees, withdrawn from daily revenue over the next four to six months. The line of credit isn't just cheaper — it's structurally better for a recurring cash need. You don't take out a new advance every time a container lands. You draw from a line that's already there.

The SBA Just Built a Program For Exactly This

In September 2025, the SBA launched the Manufacturer's Access to Revolving Credit program — the MARC Loan, its first-ever dedicated revolving credit program for small manufacturers. The structure is designed for working capital: funds can be used for inventory purchases, new projects, or any short-term operational need, with either a revolving line or term loan format.

MARC is worth knowing about if you're in manufacturing, but it's not the only path. Private lenders and specialty finance companies can move faster, qualify borrowers with more complex profiles, and in many cases fund lines without the documentation load that SBA programs require.

If you're carrying an active MCA, have less than two years in business, or are operating with sub-700 credit, you may still qualify for a business line of credit outside the SBA channel. The underwriting criteria differ significantly across lenders.

What Lenders Are Looking At Right Now

Qualification criteria for a revolving business line of credit in 2026 generally look like this:

• Time in business: Most traditional lenders want two or more years. Specialty lenders can work with 12 months or less.
• Annual revenue: Minimums range from $100,000 to $250,000 depending on the lender and line size.
• Credit profile: Banks typically want 680 or above. Alternative lenders work lower, especially when cash flow is strong.
• Existing debt service: Active MCAs affect approval at banks. They're not automatic disqualifiers with the right lender.
• Collateral: Unsecured lines exist. Secured lines carry lower rates and higher limits.

The underwriting environment is tighter than it was two years ago, but it's not closed. Banks turned down roughly 65% of small business loan applications last year. Specialty lenders approved at higher rates — because they're underwriting cash flow, not just credit scores and collateral.

If your business moves product, has consistent monthly revenue, and is getting squeezed by the gap between what tariffs cost and when customers pay, a line of credit is the right tool. Not because it's cheap money — it costs what it costs — but because it's revolving capital that matches a revolving problem.

Don't Wait Until the Container Is at Port

The consistent mistake importers make is waiting until a specific cash crunch to apply. By then, urgency works against you — you're underwriting under pressure, and lenders can tell. The businesses using revolving credit well have the line set up before they need to draw on it.

Three in four small business owners named cash flow management as their top challenge heading into 2026. The ones who aren't sweating a tariff bill on a Thursday are the ones who set up the line on a quiet Tuesday three months earlier.

Find out where your business qualifies. A 10-minute application tells you the line size, rate, and terms before you're standing at the gap wondering how to cover the duty payment.