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Wholesale sourcing on Amazon means buying products directly from brands, manufacturers, or authorized distributors at wholesale prices, then reselling them on Amazon — typically in the same listing that already exists and already has sales history. Done well, wholesale is one of the most scalable Amazon business models: you find a profitable account, open it, reorder regularly, and grow. The bottleneck is always the research phase — vetting brands before outreach, processing dense supplier price lists, and making confident buy decisions fast. Seller Aim is built to compress that research cycle so you spend less time on spreadsheets and more time on accounts that actually make money.

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Research a Brand Before Outreach

Cold-calling or emailing a brand is an investment of time and credibility. Before you reach out, use the Brand Analyzer to understand whether the brand is even worth pursuing on Amazon. Brand Analyzer gives you a snapshot of a brand’s entire Amazon presence in seconds:
  • Estimated monthly revenue across all ASINs in the brand’s catalog
  • Buy Box ownership breakdown — what percentage of Buy Boxes are owned by the brand itself, by Amazon, or by third-party sellers
  • Amazon’s own selling activity — whether Amazon Retail is competing directly on the brand’s listings and how dominant their presence is
  • Number of active sellers per ASIN and average seller count across the catalog
  • Best Sellers Rank distribution — which products are actually moving vs. which are dead catalog weight
If Amazon sells the majority of a brand’s products themselves, third-party sellers are almost always squeezed out of the Buy Box — and opening that account means competing with a counterpart that has unlimited inventory, zero storage fees, and preferential Buy Box treatment.
Use Brand Analyzer to shortlist brands where third-party sellers already hold strong Buy Box share. This signals that Amazon has not decided to go direct on the catalog, and there is room for a well-priced wholesale seller to win consistently.

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Analyze a Supplier Price List

Once you have opened an account and received a supplier price list — usually a CSV or Excel file with hundreds or thousands of rows — Seller Aim gives you a structured way to turn that raw data into a prioritized action list. Upload your price list directly into Seller Aim. The platform reads your UPC or EAN column and matches each row to an Amazon ASIN automatically. Products that cannot be matched are flagged for manual review. For every matched ASIN, Seller Aim calculates:
  • Net profit at the supplier’s listed price (FBA and FBM)
  • ROI and margin based on current Amazon pricing
  • FBA fees, referral fees, and storage cost estimates
  • Current restriction status — restricted products are flagged immediately
From there, apply filters to carve out your shortlist:
  • Minimum margin threshold (e.g., only show products above 20% ROI)
  • Maximum seller count (e.g., exclude listings with more than 5 FBA sellers)
  • Exclude all restricted products in one click
  • Exclude any product with an active IP alert, hazmat, or meltable flag
What remains after filtering is your actionable shortlist — a curated set of products worth ordering, with all the financial justification already calculated.
Always verify restriction status before finalizing any purchase order. Restriction eligibility can change between the time you analyze a price list and the time you place your order. Run a final bulk restriction check on your shortlisted ASINs immediately before submitting a PO to your supplier.

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Comparing Supplier Offers

As your wholesale operation grows, you will likely work with multiple distributors who carry overlapping catalogs. Seller Aim lets you compare supplier offers for the same ASIN side by side so you are always buying from the most profitable source. For each ASIN on your shortlist, you can log offers from different suppliers — including the supplier name, unit cost, minimum order quantity, and lead time. Seller Aim calculates profit independently for each offer so you can see at a glance:
  • Which supplier gives you the best margin on each ASIN
  • Whether a lower unit cost from one supplier is offset by a higher minimum order quantity
  • Which supplier relationships are driving the most overall ROI in your catalog
This comparison view is especially useful when negotiating. If Supplier A is priced at 12.00andSupplierBat12.00 and Supplier B at 11.40 for the same item, you have concrete data to bring to Supplier A’s sales rep when asking for a price match.

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Building a Purchase Order

When your shortlist is finalized and supplier offers are confirmed, Seller Aim helps you assemble a structured purchase order. From your shortlisted products, select the ASINs you want to order and enter your quantities. Seller Aim calculates the full order summary:
  • Total cost of goods for the order
  • Per-SKU ROI and margin at your entered COG
  • Projected gross profit for the entire PO at current Amazon prices
  • Weighted average ROI across all SKUs in the order
Review the order-level profitability view to confirm the PO as a whole meets your investment criteria — not just the individual line items. A few high-margin SKUs can sometimes mask several poor performers in the same order. Once you are satisfied, export the PO in a format your supplier or prep center accepts, or send it directly from Seller Aim to your warehouse contact. Each line item includes the ASIN, UPC, product title, quantity, and agreed unit cost.

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After the Order Ships

The work is not over once your purchase order is submitted. Use Seller Aim to stay on top of your inbound inventory and true landed cost. Calculate your true landed cost by factoring in all costs beyond the supplier invoice: inbound shipping, prep center fees (labeling, polybagging, bundling), and any import duties if applicable. Enter these per-unit costs against each ASIN in your order to get the real margin you will earn — not the margin you projected from the supplier’s price list alone. Sync with your FBA shipments to track what was received at Amazon’s fulfillment centers versus what you sent. Discrepancies between your shipped quantity and Amazon’s received count should be investigated promptly — the window for filing a missing-unit claim is limited.
True landed cost almost always exceeds your initial COG estimate once prep fees and inbound freight are included. A product that looks like a 25% margin deal at the supplier’s price may drop to 18% after prep. Model both scenarios — supplier cost only, and full landed cost — before committing to an order.

Restrictions Checker

Run single and bulk restriction checks on up to 20,000 ASINs before placing your next order.

Competitor Insights

Dig into Buy Box analysis, Seller Spy, and storefront research to understand the competitive landscape for every ASIN you source.