MCA vs SBA vs line of credit: which one actually fits.

Three different products solving three different problems. The decision framework, the side-by-side numbers, and the question to ask yourself before you pick one.

By Westline Funding · Updated April 2026 Reading time: 9 minutes

Most small-business owners get told "you need a loan" when they need capital. There is no single "loan" — there are at least three distinct products that look like a loan, behave like very different things, and fit very different problems. Pick the wrong one and you either pay too much or wait too long, and a meaningful percentage of business failures trace back to mismatched financing.

Below: how each one actually works, the numbers people don't usually share, and a one-question test to decide which is right for your situation.

The 30-second snapshot

MCA — what it actually is

A merchant cash advance is not a loan. The funder buys a portion of your future revenue at a discount. You pay it back through automatic daily debits from your operating account.

Concrete example: $50,000 advance at a 1.30 factor over 7 months. Total payback is $65,000. Daily ACH is $619 over ~150 business days. The funder's price is the $15,000 spread between what you got and what you pay back.

When MCA is the right tool

• Speed pressure: you need capital this week. SBA can't.
• Credit isn't perfect: below 680 you're outside SBA's standard zone, but MCA underwrites against bank deposits, not your FICO.
• Short-term operational gap: bridging payroll, inventory for a known seasonal spike, equipment to take a contract you've already won.
• You have one or more existing positions: SBA won't refinance most existing MCAs; another MCA can pay them off and consolidate.

When MCA is the wrong tool

• You need years to pay it back: daily debits over 6–18 months means thousands of dollars a day off your top line. If your cash flow can't absorb that, the deal will hurt.
• The use of funds is long-cycle: buying real estate, opening a second location with a 3-year ramp, anything where the return takes longer than the payback.
• You have time: the speed premium on an MCA is meaningful. If you can wait 60–120 days for an SBA approval, you'll save real money.

SBA loan — what it actually is

An SBA loan is a regular bank loan where the federal Small Business Administration guarantees a portion (50–85%, depending on the program). The guarantee makes banks willing to lend to small businesses they wouldn't otherwise touch.

Concrete example: $250,000 SBA 7(a) loan at Prime + 2.75% (~10.75% APR currently) over 10 years. Monthly payment is around $3,400. Total interest paid over the term is roughly $158,000.

When SBA is the right tool

• Long-cycle capital need: real estate, equipment with multi-year useful life, business acquisition.
• Strong credit and time: 680+ FICO, 2+ years tax returns, willing to spend 60–120 days on the application.
• Larger amounts ($150K–$5M): SBA goes higher than most MCA appetites and at way better rates.
• You can survive the timeline: if you don't need the money this month, the cost savings are massive.

When SBA is the wrong tool

• You need it fast: 60–120 days is the optimistic case. Banks pull bank statements, tax returns, projections, sometimes appraisals.
• You have credit issues: below 680 most lenders pass. SBA isn't a credit-rebuilder.
• You already have MCAs: most SBA underwriters will not approve a deal that pays off existing MCA debt. There's a workaround in some cases (SBA 7(a) with consolidation in the use of funds), but it's harder to clear.
• You're under 2 years in business: SBA wants two years of returns. There are exceptions (community bank relationships, SBA Microloan up to $50K), but the standard path needs the history.

Line of credit — what it actually is

A line of credit is approved capital you draw against as needed, pay back, then draw again. Interest accrues only on what you've actually drawn — not the whole approved limit.

Concrete example: $100,000 line approved at 18% APR. You draw $30,000 to cover a slow month. Interest accrues on the $30K only, not the $100K. Pay it back over 4 months and your interest cost is roughly $1,200.

Two flavors: bank LOC (cheaper, ~10% APR, harder to qualify, slower to fund) and online LOC (BlueVine, OnDeck, Fundbox — faster, looser credit, ~25–60% APR).

When LOC is the right tool

• Variable cash flow: seasonal businesses, project-based with uneven revenue.
• Standby capital you might not need: approved limit acts as insurance; you only pay if you draw.
• Recurring short-term gaps: cover a slow month, draw it down, pay off, repeat.
• You want flexibility, not a lump sum: draw $20K this month, pay back, draw $40K in three months for a different need.

When LOC is the wrong tool

• One large lump-sum need: you're better off with a term product. LOCs have draw limits and don't fit full-balance use over long periods.
• You need it now and don't have one already: getting a new LOC takes time. It's an "open in advance" product, not an emergency one.
• You're not disciplined with revolving debt: the same psychology that gets people in trouble with credit cards applies. Easy redraw means easy never-pay-it-off.

Side-by-side decision table

The one-question test

The mixed-product reality

Most growing businesses end up using all three over time. They're not competitors — they're tools for different jobs.

A typical playbook for a healthy small business that's grown into capital needs:

1. MCA in year 1–2 when credit isn't yet established and SBA isn't reachable. Fast capital to fund growth, expensive but accessible.
2. LOC in year 2–3 as a relationship builds with a bank or online lender. Cheap insurance for variable cash flow, set up before you need it.
3. SBA in year 3+ for the big lifts — buying real estate, equipment, acquiring a competitor. Cheap money over long terms, worth the wait.

The strategic mistake isn't picking the "wrong" product — it's not knowing what each one is for and trying to make one tool do all three jobs.

What we do with this

Westline funds MCAs. Specifically. We don't pretend to do SBA loans or lines of credit because we're not banks and that's not what we do. If you come to us with a need that's actually an SBA need, we'll tell you — and tell you which lender we trust most for that job.

If your need is genuinely fast capital, you've been turned down by your bank, your credit isn't pristine, or you have existing MCA positions to consolidate, an MCA from us is the right fit. We'll come back with a real funding range within 4 business hours of your statements landing.