Two suppliers can quote the same product at nearly the same unit price and create very different businesses. One may include packaging and reliable tracking; the other may add per-order charges, change freight rates without notice, or make credits difficult when an item is wrong. The comparison belongs at the level of a completed customer order, not a catalog row.
Choose terms that leave room for a dependable buyer promise and a positive realized contribution. Use recent evidence for delivery and stock accuracy, and price the exceptions you are likely to handle. A supplier who cannot explain a charge or a missed shipment is difficult to manage even when the nominal margin looks attractive.
This is part three of the Dropship Supplier Guide. The requirements brief establishes minimum standards, and identity and product verification establishes that the offer is real. The Shipping Profit Guide goes deeper on delivery cost; here those costs become a supplier-selection decision.
Normalize the quote before comparing it
Ask each candidate to quote the same SKU, quantity assumption, package, ship-to regions, and service level. Include the same order profile: a single-item order to a typical address, a multi-item order if your cart often contains several products, and a remote or cross-border address if you will advertise there. Otherwise, one supplier’s “$12 item” may be compared with another’s $15 all-in fulfillment price.
Request separate lines for product, pick and pack, packaging, label, postage, tracking, insurance if used, handling, returns, storage, setup, software, and minimum-volume fees. Record currency and the exchange-rate method. Ask whether the quote expires, whether prices vary by season or zone, and how much notice precedes a change. A fee that appears only after orders begin is still part of the economic model.
For imported or cross-border orders, specify who pays duties, taxes, brokerage, and other border charges. The International Trade Administration’s landed-cost guide describes product price, freight, insurance, tariffs, taxes, and fees as parts of the delivered cost. The exact amount depends on the item and transaction. Avoid a generic percentage and identify the responsible party and documents for each route you actually use.
Use the same quote template for all candidates. If a supplier will not quote an exception fee, mark it unknown rather than zero. Unknown costs should be tested or given a conservative allowance before approving the offer.
Calculate contribution after the sale survives
Start with the amount the customer pays for goods and shipping. Subtract supplier product and fulfillment charges, platform and payment fees, acquisition expense, and an allowance for returns, replacements, lost parcels, chargebacks, and support. Handle sales tax or VAT consistently with your accounting treatment; collected tax is generally not revenue available to pay the supplier. Compare like with like.
Consider a fictional $60 order. Supplier A charges $24 for the item, $10 for delivery and handling, and you estimate $6 in other variable costs. Before exceptions, contribution is $20. Supplier B charges $21 for the item but $14 for delivery and handling; the same other costs leave $19. The lower product price did not create a better order. If B also takes longer to credit wrong-item claims, its realized result could be worse.
Now stress the case. If one in ten orders needs an $18 remedy, the expected allowance is $1.80 per order over a large enough group. That is an illustrative planning assumption, not a forecast. Replace it with observed data as orders mature. A supplier with a lower defect rate or better credits can justify a higher unit price because the business retains more of the sale and spends less time resolving it.
The AliExpress margin guide provides a detailed per-order worksheet. Use that structure here, but keep supplier-specific columns so a price change, zone surcharge, or credit delay is visible. If the comparison relies on one optimistic conversion or return assumption, run a downside case before selecting the winner.
Examine payment terms and cash exposure
Dropship orders often create a timing gap: the store pays the supplier before the customer payment is fully available, while refunds may be owed before the supplier grants credit. Ask when the supplier charges you, whether they hold a deposit, what payment methods they accept, and when credits are issued. A low price with a large prepaid balance can strain a small store.
Document the order of events: customer authorization, supplier acceptance, supplier charge, label creation, carrier handoff, customer settlement, return, and supplier credit. Model a week with higher-than-expected sales and a week with unusually many refunds. If cash cannot cover both, the supplier’s minimum deposit or payment cycle may be unsuitable even when unit margin is positive.
Use traceable payment methods and clear invoices. An arrangement that requires sending money to a different entity or account for each order deserves renewed identity checks. For a new relationship, avoid committing months of projected demand based only on a sample and a sales call. Negotiate a small pilot with a defined spending cap and payment cadence.
Measure fulfillment from order to carrier acceptance
A supplier can report “100% shipped” when it means a label was created. Define the metric you need: the percentage of accepted orders handed to a carrier by the promised date, with a valid first carrier scan. Separate processing time from transit time and delivery time. Record cancellations and stockouts in the denominator rather than deleting failed orders from the report.
Ask for recent performance by warehouse and product category, preferably for a period similar to your expected season. Look for median and upper-range handoff times, not just an average. Averages can hide a tail of orders that take a week. If data is unavailable, run your own test orders on different days and keep initial promises conservative.
The FTC’s shipment rule guide explains why a seller needs a reasonable basis for promised shipping timing and must offer choices when a shipment is delayed. The supplier may control the warehouse, but the store makes the customer promise. Set an internal alert before the deadline so the store can act while a remedy is still possible.
Check tracking quality as well. Does every order receive the correct carrier and tracking number? How long after handoff does the first scan appear? Can a buyer track the package in the target country? A low-cost carrier path with long blind intervals may generate support contacts and disputes that consume the savings.
Test stock accuracy and order acceptance
Inventory accuracy is more than a daily quantity. Ask how the supplier reserves stock, whether other sellers share the same pool, and whether an accepted order can later be rejected. Measure stockout rate for orders submitted while the feed said “available.” If the supplier provides only a broad “in stock” flag, establish a buffer or limit how many units your store exposes.
Record how quickly a price or stock change reaches your store. A batch feed every morning may be sufficient for a slow item and inadequate for a popular seasonal one. The Merchant Center product-data guide explains the public consequences when stock or price diverges from the landing page. A supplier’s system design becomes part of your site accuracy.
Ask what happens when an order is rejected: immediate reason code, alternate stock, revised ship date, or cancellation? Can you stop a listing automatically after repeated failures? A vendor who acknowledges stockouts quickly may be easier to work with than one who leaves orders in a vague pending status for days.
Compare return and exception terms
List the common cases: buyer remorse, wrong variant, damaged item, defect, lost shipment, late shipment, refused delivery, and undeliverable address. For each supplier, record who pays outbound and return postage, whether the item must be returned, what evidence is required, when a replacement may be sent, and when credit is posted.
The supplier’s return window may be shorter than the store’s customer policy. That gap is a store cost. If the supplier requires a return to a foreign warehouse for a low-value defect, you may reasonably refund the buyer without return, but your margin model must cover it. If the supplier’s credit depends on photographs, make sure the customer-support team knows what to request without burdening a buyer with unreasonable steps.
Compare service quality, not just written terms. Give each candidate a sample exception scenario and ask for the exact workflow. How many handoffs are involved? Is a written case ID created? Can the store escalate before a promised shipment date passes? A vague promise to “take care of it” is not an operational term.
Score with hard gates and weighted tradeoffs
Keep a short decision sheet. Use hard gates for verified identity, lawful and supportable product claims, accepted delivery regions, adequate stock data, and a viable exception path. A candidate that fails one of these is not rescued by a high total score. Then score the viable candidates on contribution, handoff reliability, tracking, support response, credit timing, and integration effort.
For example, weight fulfillment and stock reliability more heavily than a one-dollar price difference if the store promises delivery by a particular date. Write down the weights before viewing the final quotes. Include confidence: a supplier’s unaudited claim might score as “promising, low evidence,” while three months of verified order data deserves more weight.
Select a primary and a conditional backup rather than assuming one vendor will handle every SKU and region. Keep the initial catalog narrow. The next article tests ordinary orders and deliberately exercises exception handling so the spreadsheet decision can be checked against what the buyer actually receives.