How to Buy an Ecommerce Business: The Complete Playbook

How a small ecommerce business actually makes money

The model is simple to describe: buy goods, attract attention, ship product, keep the spread. The difficulty is that three separate machines have to keep running, and a buyer usually inherits all three at once. Procurement sets the gross margin, marketing sets the volume, and fulfilment sets whether the customers come back. Weakness in any one of them shows up in the profit line months later, which is why the earnings history of an online store is a lagging indicator of its health rather than a description of it.

Three things are worth internalising before opening a listing. First, gross margin is the shock absorber. A store working on thin margins has almost no room for a shipping-cost increase, a supplier price rise, or a rise in advertising costs, and those things happen routinely. Second, traffic is the asset that transfers least reliably. Organic search rankings and a genuine repeat-customer base survive a change of ownership; a founder's audience and a hand-tuned ad account often do not. Third, cash conversion decides your first year. Profitable stores fail in new hands when the reorder cycle is longer than the buyer planned for.

The better acquisitions in this category tend to look unfashionable: a narrow product range in a category with genuine repeat purchase, healthy margins, a supplier relationship documented in a contract rather than a friendship, and traffic that arrives because people search for the problem rather than because a campaign is pointed at them.

What does it cost to buy an ecommerce business?

Small ecommerce is priced on a multiple of seller's discretionary earnings, with saleable inventory paid for separately at cost:

• Starter stores — a few thousand dollars a month in earnings, one product line, one traffic source, often under two years old. These trade in the five figures and are frequently closer to buying a job than buying an asset.
• Established stores — a year or more of stable earnings, several products, repeat customers, and documented supplier terms. These form the bulk of marketplace inventory and trade in the six figures.
• Brands with a team — real brand recognition, diversified acquisition, staff or agencies running the day-to-day, and an owner who is not packing boxes. These command premium multiples because the buyer acquires a company rather than a workload.

The most useful adjustment to any headline number is to rebuild the earnings figure yourself before applying a multiple. Add back only what is genuinely discretionary and genuinely non-recurring, and be sceptical of add-backs for advertising, software, or contractor costs that the business plainly needs to keep operating. Then apply the multiple to that rebuilt figure. Our business valuation guide and calculator walks through the arithmetic and the common add-back disputes.

Budget separately for what sits outside the purchase price: the inventory count at closing, the next purchase order, an advertising budget through the learning period after the accounts change hands, and a contingency for the first supplier price change. Buyers who fund only the multiple and the inventory frequently find themselves cash-constrained precisely when the business needs stock.

Financing an ecommerce acquisition

• Cash plus seller financing — the most common structure at the smaller end. A held seller note keeps the previous owner engaged through supplier introductions and the advertising handover; see our seller financing guide.
• SBA 7(a) — workable for US-domiciled ecommerce businesses, and easier to underwrite than software because inventory offers some collateral. Concentration is what kills these applications. Our SBA acquisition-loan guide covers what lenders look for.
• Inventory and revenue-based lending — a set of specialist lenders finance stock and near-term receipts. Useful as a working-capital layer after closing rather than as acquisition funding.
• Earnouts — sensible where a large share of profit rests on one product or one campaign, because they price the risk that the earnings do not persist instead of arguing about it in negotiation.

What to inspect before you buy

• Revenue at three sources — get read access to the store platform, the payment processor, and the bank, and reconcile all three. Any gap that the seller explains verbally rather than documentarily is the first thing to chase.
• Margin by product, not blended — landed cost including freight and duties, against actual selling price after discounts. Blended margin routinely hides that one product subsidises a catalogue of unprofitable ones.
• Refunds, returns, and chargebacks — twelve months minimum, as a percentage of orders. A rising return rate is an early signal of product or supplier quality problems that has not reached the profit line yet.
• Traffic by channel over two years — organic search, paid, email, social, marketplace, and referral, each quantified. Then ask what happens to each one when the seller leaves. Email lists and search rankings transfer; personal audiences do not.
• Advertising accounts — whether they transfer at all, what the return on ad spend has been over time rather than at its peak, and how much of current sales depends on campaigns that would need rebuilding under new ownership.
• Suppliers, in writing and in person — speak to them directly during diligence, with the seller's consent. Confirm pricing tiers, minimum order quantities, lead times, exclusivity, and explicitly that terms survive a change of ownership. Ask what a second source would cost.
• Inventory age and composition — an independent count at closing, with a written definition of saleable stock. Aged and seasonal inventory should be discounted or excluded rather than paid for at cost.
• Platform and marketplace account standing — policy history, suspensions, warnings, and whether accounts can legally transfer. A store built on a marketplace inherits that marketplace's rules and enforcement.
• Brand, trademarks, and reviews — who owns the trademark, the domain, the photography, and the design assets, and whether accumulated reviews and ratings travel with the sale or sit on an account that does not transfer.
• Compliance and product liability — category-specific rules, labelling, safety testing, and insurance. Categories such as supplements, cosmetics, electronics, and children's products carry obligations that arrive with the inventory.

Run all of it alongside the general business due diligence checklist, and follow the overall process in how to buy a business.

Pros and cons

Ready to look at listings?

Ecommerce businesses trade mainly through online-business marketplaces and specialist brokers rather than the Main Street channels where restaurants and machine shops are listed. Inventory turns quickly at the smaller end, the same store is often listed on more than one platform, and quality varies enormously, so it pays to watch several sources and to move fast on the ones that survive a first read. Compare the marketplace routes in our guide to online businesses for sale.

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