Last Updated on April 2, 2026 by Jason Andrew
Cash flow isn’t a back-office problem. For eCommerce businesses, it’s often the single biggest factor determining whether you scale sustainably or stall under your own growth.
We regularly see fast-growing brands doing strong revenue numbers but constantly feeling short on cash. The problem usually isn’t demand. It’s how money moves through the business. Too much cash tied up in inventory, margins quietly eroded by fees and returns, and financial reporting that tells you what happened last quarter instead of what decisions to make next.
Growth only works when cash, profit, and inventory are working together. You need stock to grow, but excess stock is cash sitting idle in a warehouse. You need sales to scale, but sales without margin only accelerate cash burn.
In this guide, we break down five financial fixes that do most of the heavy lifting when it comes to improving cash flow and profitability. These are the fundamentals we see separating cash-eating businesses from cash-generating ones.
In this article
- Get your books in order
- Revenue is a vanity metric
- Know your cash conversion cycle
- Protect your margins as you scale
- Look at your numbers regularly
1. Get your books in order
If you want better financial outcomes, you need better financial information. That sounds obvious, but many Founders are flying blind because their accounts are built for tax compliance, not decision-making.
Most small business accounting setups are not set up to explain what is actually happening inside the business. When everything is lumped together, you can grow revenue while profitability quietly deteriorates.
We often see businesses increase sales over a 12 month period, only to discover their gross profit is declining. The visual below is a real example of this exact situation. Revenue is up, but when everything is grouped at a high level, it masks where money is actually leaking from the business. Without the right structure in your chart of accounts, it’s impossible to pinpoint why.
When your accounts are set up properly, the picture changes completely. The visual below shows what happens when costs are broken out correctly. Rising cost of goods can be clearly identified, supplier pricing issues surface faster, and merchant fees, Buy Now Pay Later costs, shipping, and returns are no longer buried in the details. Instead of guessing, gross profit starts telling a clear story you can act on.
How to structure your chart of accounts for clarity:
- Treat all variable costs as cost of goods sold, including merchant and Buy Now Pay Later fees.
- Clearly separate direct costs from indirect operating expenses.
- Split revenue and gross profit by sales channel. Different channels carry very different margins, and blended reporting hides that reality.
Good decisions start with good data. Your accounting system should help you ask better questions, not just file a tax return.
2. Revenue is a vanity metric. Focus on gross profit.
Revenue looks impressive, but it doesn’t pay the bills. We’ve seen businesses double revenue and still run out of cash because their margins couldn’t support the growth.
Gross profit is what keeps you in business. It measures the quality of your sales, not just the volume.
Strong businesses generate consistent gross profit dollars, not just top-line growth. If revenue is increasing but gross profit is flat or falling, you’re scaling a weak foundation.
To calculate true gross profit, include every cost that exists because a sale occurred:
- Cost of goods sold
- Shipping and delivery, including returns
- Merchant fees and Buy Now Pay Later charges
Gross profit margins vary by industry, but for most eCommerce businesses, a healthy range sits between 50-70%. Higher margins give you room to invest, absorb shocks, and grow without constant cash pressure.
Updated insight: In today’s environment of rising fulfilment and payment costs, businesses that actively manage gross profit outperform those chasing volume. Small improvements in margin compound far faster than equivalent increases in revenue.
3. Know your cash conversion cycle
One of the most common frustrations Founders face is seeing accounting profit without seeing cash in the bank. That disconnect exists because profit does not equal cash flow.
Free cash flow matters just as much as revenue or profit. The visual below shows a real example of this disconnect. In this case, the business is profitable on paper, yet cash is moving in the opposite direction. This is exactly why Founders can feel like they’re doing everything right and still struggle to pay bills or reinvest. The cash conversion cycle explains how long it actually takes to turn accounting profit into cash you can use.
The cash conversion cycle gives you the framework to understand what’s happening behind the scenes. The visual below breaks this down into its core moving parts and shows how cash flows through the business over time.
There are three key components:
- Accounts receivable: how long customers take to pay you
- Inventory: how long stock sits before it sells
- Accounts payable: how long you take to pay suppliers
The formula is simple:
For example, if customers pay in 60 days, inventory turns every 72 days, and suppliers are paid in 21 days, your cash is tied up for 111 days.
That means inventory is absorbing cash for nearly four months before you see a return.
The faster you turn stock, the faster cash comes back into the business. As a general benchmark, aiming for 45 inventory days significantly improves cash flow resilience.
Remember the rule: revenue is vanity, profit is sanity, cash is reality.
4. Protect your margins as you scale
Growth does not automatically mean increased profitability. In fact, many businesses become less profitable as they scale because hidden costs expand faster than revenue.
Two margin killers show up repeatedly.
Discounts
Discounting can drive short-term sales, but it’s one of the most dangerous levers in your business. Every discount directly reduces gross profit and trains customers to wait for lower prices.
Used excessively, discounting damages brand perception and long-term profitability.
In practice, we often see eCommerce brands discount their way into bigger cash problems rather than out of them, growing revenue while margins and cash flow quietly deteriorate.
If you discount, do it deliberately and sparingly, not as a default growth strategy.
Returns
Returns are more expensive than they appear. Beyond shipping costs, they consume time, labour, and often result in unsellable inventory.
Marketplaces and third-party channels often promote generous return policies, but the retailer absorbs the cost. That means you’re paying for shipping on products that never generate revenue.
This is why channel-level visibility matters. While third-party platforms can offer exposure, owning your customer relationship is almost always more profitable over time.
Updated insight: With return rates rising across eCommerce, proactive sizing guidance, better product descriptions, and post purchase communication now have a measurable impact on profitability.
Make sure discounts and returns are clearly tracked in your profit and loss statements. If you don’t measure them, you can’t manage them.
5. Look at your numbers regularly
Financial control isn’t about perfection. It’s about consistency.
Maintain your bookkeeping weekly, not monthly or quarterly. Timely data allows you to spot problems early, when they’re still easy to fix.
Build a rolling cash flow forecast so you understand what’s coming, not just what’s already happened. Use it to set targets and guide inventory and marketing decisions.
Review your financial position and key performance indicators with your accountant each month. Every six months, reassess your sales channels, pricing strategy, and product mix to ensure they still support your goals.
Businesses that win in the long term aren’t the ones chasing the fastest growth. They’re the ones that understand their numbers, protect their margins, and turn profit into cash consistently.
Want to stop growth from putting pressure on your cash flow?
Book a call with SBO to understand what’s really driving (or draining) cash in your business. We’ll review your margins and cash conversion cycle and outline a clear path to stronger profitability.
