What Is Wholesale and How Does It Work for Online Sellers?

The purchase of large quantities of products from a manufacturer, wholesaler, trading company, or distributor at an economical price, to then be sold to customers or another business at an increased cost. The difference between the wholesale purchase price and the final selling price is never entirely pure profit; there is money spent on shipping, packaging, marketplace charges, advertising, storage, returns and taxation that will affect final margin.

The process is as follows; product research-request quotation from a supplier-order samples/test batch-approve product-bulk order-create listing-fulfill orders-re-order according to demand. The general principle here is buying as cheaply as possible, and selling for as much as possible, ensuring there is still a healthy profit after accounting for costs.

Retail involves buying single items at full price (more flexible but with lower profit margins). Buying items at wholesale, you get better margins but need to pre-pay cash and manage inventory. Always test products on a small scale first to avoid holding an excess quantity.

Having stock of your own with wholesale allows for greater product control, quicker shipping times, more robust branding, and higher profit margins. However, with drop shipping, you avoid stock holding but suffer lower profit margins, longer delivery times and a loss of quality control. It is common for e-commerce sellers to start with drop shipping or test products before committing to the bulk wholesale model.

Finding wholesale suppliers:

B2B Platforms (Alibaba, 1688, Global Sources, Made-in-China, Faire)

Local wholesalers and distributors (quicker delivery, easier returns, and lower shipping costs due to fewer complexities involved)

Trade Shows (allows for face-to-face interaction and direct product inspection/comparison)

Direct Manufacturers (best if you plan to order large quantities or have private label ideas)

Sourcing agents (ideal for those ordering from China, but involves an extra cost)

MOQ, Unit Cost and Profit Margin

MOQ (minimum order quantity) is the number of items a supplier will sell at the wholesale price. As is the case with product pricing and shipping, this also impacts the price you pay per unit (a higher quantity is usually accompanied by a cheaper unit cost). Always determine the landed cost of a product rather than just the supplier unit cost; this includes product cost, domestic shipping, international freight, import duties/taxes, inspections, packaging and returns. A $4 item sold at $15 would yield only $4 profit if shipping, fees and other associated costs came in at $7.

A need or problem that customers need solving

Manageable shipping costs

Enough room for a good profit after all fees and costs

Potential for repeats purchases

Scope for differentiating the product through its packaging, listing, or product bundle.

Some suitable starter categories include home organization, pet supplies, stationery, simple kitchen items, or clothing accessories. Avoid complex compliance issues, extreme trends, and highly competitive marketplaces when beginning. Research the demand for products, pricing them against competitors, check reviews and the shipping costs before purchasing any wholesale stock.

Check their website, business license, product focus, history, experience in export, quality of samples, and responsiveness to messages and emails. Always ask whether they are a factory or trading company, what their MOQ is, what their lead time is, what their packaging specifications are, and how they handle defects. They should also provide answers with the right level of specificity, without ever changing the prices. Avoid quick payment pressure or refusal to send samples. If ordering from an overseas supplier, secure payment is recommended, and samples, agreements, and third-party inspections can greatly reduce risks.

With the bulk purchase and stocking required wholesale, cash becomes a major concern. If the items do not sell quickly, cash flow may become tight. It is essential to order the right quantities, test them before mass purchase and re-ordering, monitor selling and return rates and try to avoid over-ordering due to slightly cheaper unit prices. The process should always include initial product testing, planning re-orders before stocks run out, avoiding stocking excess quantities, planning for seasonal purchasing trends, and keeping sufficient cash in reserve for shipping and marketing.

You can hold items yourself (most cost-effective but not scalable), use a third-party logistics provider (often integrated into sales channels), or use a service like Amazon FBA (very convenient but highly strict on packaging and labeling requirements). When choosing fulfillment, consider storage costs, pick-and-pack fees, shipping speed, quality of packaging, and how returns are handled. Fulfillment heavily impacts customer satisfaction and reviews.

Ordering huge quantities before establishing demand, not considering the final landed cost of a product, selecting suppliers based solely on price, skipping samples, being unaware of marketplace regulations and fees, and sourcing products with potential risks and compliance issues.

If you want greater control than drop-shipping but don't wish to enter the complex realm of full custom product development, wholesale may be for you. It offers a multitude of advantages including lower product prices, faster shipping, packaging control and stronger branding. However, you will need cash to buy stock up front, manage inventory effectively, research suppliers carefully and be disciplined with your cash flow.

Treat the wholesale business as a true supply chain business rather than a "buy cheap, sell high" approach. Success will be achieved by selecting appropriate products, rigorously vetting suppliers, accurately calculating the full landed cost, ordering product samples, mastering your inventory management and fulfillment strategy, and only scaling once you can prove that the numbers and product quality work.