A directory of dropship suppliers can make sourcing look like a choice between prices. The cheapest item is rarely the complete offer. The buyer experiences the product, packaging, delivery, support, and return process as one purchase. If any of those pieces fails, the store absorbs the complaint even when a supplier caused it.
Write the offer you intend to make before asking suppliers for quotes. A short supplier brief gives you a way to reject attractive but unsuitable listings and compare candidates on the same terms. It also reveals when your own sales promise is too vague to source responsibly.
This is part one of the Dropship Supplier Guide. The AliExpress Dropshipping Guide explains marketplace sourcing and sample tests; the Merchant Center Dropshipping Guide explains how an approved store offer must appear to Google and buyers. This series focuses on choosing and managing the company that fulfills the order.
Start with the buyer promise
Write a one-page offer for a specific product and target customer. Include the exact variant, material, dimensions, color, included parts, warranty or return terms, total price, target delivery region, and delivery window. List every claim a buyer might rely on: origin, compatibility, safety, performance, or certification. A supplier must be able to support those facts before you publish them.
Avoid a brief such as “good quality gadget with fast shipping.” It cannot distinguish one vendor from another. A useful statement is closer to: “The customer orders a 20 cm stainless-steel replacement part in one of two finishes; the correct labeled variant is packed without a supplier invoice; tracking begins within two business days; the store can resolve a wrong-item claim from photographs.” The numbers are an example, not a universal standard. Change them to fit the product and market.
Separate requirements from preferences. A required item is a condition of selling the product at all. A preference improves the offer but can be traded against cost. If you require a particular certification, documented material, or delivery region, do not quietly turn it into a preference because a quote looks cheap. If a color option is optional, say so explicitly.
The FTC’s advertising guidance says objective claims need a reasonable basis before they run. A supplier photo or unverified catalog description may not establish that basis. Put each proposed claim in the brief with the evidence you need to see.
Define the product you can actually identify
Supplier catalogs often reuse images and vague titles across different products. Give each sellable variant an internal ID and record its distinguishing attributes. Ask whether the supplier uses a stable SKU, whether a size or finish substitution is ever made, and how a discontinued component is communicated.
For a product with compatibility or fit risk, include a measurement method and acceptable tolerance. For a textile, define fiber content, size chart, and care instructions. For a product with electrical or safety implications, identify the applicable market and evidence needed before sale. The CPSC’s online seller guidance is a starting point for U.S. consumer-product duties, and its recall database helps check a known product. Requirements vary by product category; do not assume a generic vendor “compliance certificate” covers every claim.
Identify what happens when a supplier changes the product while keeping the same listing. A new factory, battery, coating, ingredient, or component may change your buyer-facing claims. Your brief should require change notice and a new sample when a material attribute changes. If the vendor cannot provide traceable variant information, the product may be too risky to list under a precise offer.
Turn the delivery promise into service requirements
Customers see an arrival estimate, but fulfillment has several stages: order acceptance, picking, carrier handoff, transit, delivery, and exception resolution. Ask suppliers to report these separately. A label-created event is not the same as a carrier accepting a parcel. A quoted transit time that starts after an unpredictable handling period is not an end-to-end promise.
Write a target for each stage and define how it will be measured. You may need a cutoff time for same-day processing, the working days of the warehouse, the carrier and service class, tracking coverage, and the countries or postal codes served. Ask how the supplier handles holidays, customs delays, and remote addresses. Record whether orders can ship from multiple locations, because that affects duties, delivery windows, and return routing.
The FTC Mail, Internet, or Telephone Order Merchandise Rule guide explains the seller’s duty to have a reasonable basis for advertised shipment timing and to handle delays with customer choices and refunds. A supplier’s untested “ships in 24 hours” badge is not your reasonable basis. Your brief should request actual recent acceptance data and a procedure for warning you when the promise cannot be met.
Define an exception clock as well. How soon will the supplier tell you about stockouts, failed labels, damaged parcels, or returned shipments? Who opens a carrier claim? What evidence is needed for a replacement or credit? If these questions are unanswered, a fast normal shipment still leaves your store exposed when something goes wrong.
Specify data access and inventory controls
A supplier who can ship the right product may still be unsuitable if you cannot keep your listing accurate. Ask how price, stock, variants, discontinuations, and shipment status are shared. A portal, file, API, and email can all work at small scale, but each needs an update frequency and a known owner.
Write the maximum age of inventory information your store can tolerate. If a popular variant sells out several times a day and the supplier sends one spreadsheet every Friday, the feed is too slow for an “in stock” promise. Decide when you will pause the listing, use a stock buffer, or switch to a supplier with stronger data. The Merchant Center product-data guide explains how these operational facts must match the public page and feed.
Ask for a test export before committing. Does each row include stable SKU, variant attributes, quantity or availability status, current unit price, shipping origin, and update timestamp? Are empty values distinguishable from zero stock? Does the supplier notify you of a changed SKU or only overwrite the old record? These details matter more than a polished dashboard screenshot.
If you plan to sell on multiple channels, add channel-specific data requirements to your brief. Some marketplaces have their own sourcing and fulfillment rules. The supplier may need to provide invoices, brand authorization, or packaging that supports your channel obligations. Verify the channel’s current policy for your business model before promising a supplier that you can sell there.
Set a complete cost ceiling
The supplier’s unit price is only one part of the order. Request a quote that separates product cost, per-order handling, packaging, pick and pack, shipping by zone, tracking, payment or currency charges, return processing, replacement cost, and any monthly or setup fee. Ask when rates can change and whether surcharges are passed through.
Build a simple contribution target: customer payment minus taxes collected on behalf of authorities where applicable, supplier product and fulfillment cost, platform and payment fees, acquisition cost, expected exception cost, and support cost. The Shipping Profit Guide explains how to capture delivery and exception expenses. If you import or route goods across borders, the International Trade Administration’s landed-cost explanation shows why freight, insurance, duties, taxes, and fees belong in the full cost view. Assign responsibility for these charges for your transaction; do not insert a fixed duty assumption into every quote.
Set a maximum acceptable cost under a conservative scenario. For example, if a $50 order must leave $10 after all variable costs and you estimate $14 for shipping, fees, support, and expected exceptions, the product and handling allowance is $26. This is illustrative arithmetic, not a benchmark. A $23 quote gives only $3 of room for error; a “free shipping” quote may be worse if it hides a $15 surcharge for your main customer region.
Do not use a supplier’s suggested retail price as proof of margin. Test what customers actually pay for comparable products and what your store can charge while making an honest delivery and return offer. A positive spreadsheet margin on an unrealistic selling price is not a viable sourcing decision.
Decide what support you need after checkout
The supplier’s relationship with your store continues after a parcel leaves the warehouse. Define the questions they must answer: Can they confirm the picked variant? Provide a handoff scan? Investigate a no-movement tracking number? Accept a photograph of a defect? Identify the return address and authorization process? Issue credit within a defined time?
Ask who bears the cost of a wrong item, manufacturing defect, lost parcel, or late handoff. Distinguish a buyer changing their mind from an order the supplier failed to fulfill. Your customer-facing policy and the supplier’s credit policy can differ, but you must understand the gap and price it. The AliExpress order-exception guide shows how two separate transactions create that gap.
Your brief should specify a contact channel and response target for urgent order problems. An account manager’s name is less useful than a process that works when that person is unavailable. Test whether the supplier can find an order by your order ID, confirm status, and give a written resolution. Keep customer personal information limited to what fulfillment requires.
Build a comparison sheet before contacting vendors
Use the same fields for every candidate. A simple sheet prevents the first pleasant sales call from setting your standards after the fact.
| Field | Requirement or evidence to record |
|---|---|
| Product and variant | Stable SKU, specifications, change notice, sample match |
| Business identity | Legal name, address, operating location, references |
| Fulfillment | Order cutoff, handoff time, carrier, tracking, served regions |
| Inventory data | Update method, timestamp, stockout notice, pause process |
| Customer promise | Delivery, returns, warranty, claims you can document |
| Economics | Unit and handling price, shipping zones, exception charges |
| Exceptions | Wrong item, defect, lost parcel, delay, return, credit workflow |
| Continuity | Capacity, backup location, outage notice, exit procedure |
Mark each item pass, needs evidence, or fail. Do not average away a hard fail. A candidate with excellent pricing and no way to identify the right variant may be worse than a higher-priced vendor with dependable order data. Record the date of each answer; vendor terms and capacities change.
When the brief is complete, send it to a small set of plausible suppliers and ask them to identify every requirement they cannot meet. The next article shows how to verify the company and product evidence behind the responses. A supplier search becomes useful only after you know what a usable supplier must do.