Most Amazon sales are paid through Amazon, so invoices come up when a seller does business outside the checkout page. That includes wholesale or bulk orders to retailers and other sellers, FBA prep and fulfillment for other brands, and services such as listing optimization, ad management, and product sourcing. These invoices need unit counts, ASINs or SKUs, and clear separation between your fees and pass-through costs.
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Pricing depends on which side of the business you are billing. Wholesale and bulk sales are priced per unit, usually cost plus a margin, with volume tiers and case or pallet minimums. Prep and fulfillment work is billed per unit or per order, with add-ons for bagging, bundling, or inspection, and storage billed per pallet or cubic foot per month. Service work for other brands is usually a monthly retainer, a flat fee per listing or project, or a percentage of ad spend. Sourcing and inspection can be a flat fee per product or a small percentage of the purchase order. Pass-through costs such as freight, Amazon fees you front, and ad spend should be listed separately from your own fees, with little or no markup unless your agreement says otherwise.
| Service | Priced | Typical range |
|---|---|---|
| FNSKU labeling and basic FBA prep | per unit | $0.30-0.90 |
| Poly bagging, bundling, or kitting | per unit | $0.50-3.00 |
| Listing creation or optimization (copy, keywords, image direction) | per listing | $75-300 |
| Account or store management | per month | $500-2,500 |
| Amazon PPC management | percent of ad spend (monthly minimum often $500-1,000) | 8-15% |
| Product sourcing and supplier vetting | per product | $500-1,500 |
| Consulting or strategy calls | per hour | $75-200 |
| Pallet storage at a prep or 3PL space | per pallet per month | $15-30 |
Typical US ranges. Rates vary by region, experience, and job size.
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Monthly account management, March (inventory planning, listing upkeep, reimbursement claims) | 1 month | $1,500.00 | $1,500.00 |
| PPC management, 12% of $4,000 ad spend (ad spend billed to client's card by Amazon) | 1 month | $480.00 | $480.00 |
| FNSKU labeling, shipment FBA-2024-0317 (1,200 units) | 1200 unit | $0.50 | $600.00 |
| Poly bagging with suffocation warning label (600 units) | 600 unit | $0.75 | $450.00 |
| Listing optimization, 4 ASINs (title, bullets, backend keywords) | 4 listing | $125.00 | $500.00 |
| Total | $3,530.00 | ||
Notes: Payment due within 15 days of invoice date. Ad spend is charged directly to your Amazon Ads account and is not included in this total. Prep counts are based on our receiving log, available on request. Late balances may be charged 1.5% per month.
Brands often sell dozens of similar products, and tying each charge to an identifier prevents disputes about which items were prepped or listed.
Per-unit billing is only defensible if it matches what arrived and what was processed. Damaged or short units explain differences from the client's records.
Retail and brand clients usually match invoices to a PO or inbound shipment before approving payment.
Retainers and storage fees cover a time span, and clear dates avoid double billing and confusion over renewals.
Clients need to see what is your fee and what is a reimbursed cost, and it keeps your revenue and expenses clean at tax time.
Direct wholesale sales outside Amazon may be taxable unless the buyer provides an exemption certificate. Rules vary by state, so keep certificates on file and note them on the invoice.
Wholesale buyers commonly assume net 30. Stating your terms up front sets the expectation and supports collection.
Service retainers are usually billed at the start of the month, with PPC management fees billed after the month closes once ad spend is known. Sourcing projects often take a 30-50% deposit before supplier outreach or samples, with the balance due on delivery of the report or before the purchase order is placed. Wholesale buyers commonly expect net 30, though new accounts can be asked for prepayment or a deposit until they have a payment history. Prep and fulfillment invoices are often net 15 or billed per inbound shipment. Where allowed, late fees of 1 to 1.5 percent per month are common. ACH and wire are typical for larger invoices, and cards work for smaller ones if you pass along processing fees in line with your agreement and local rules.
Have clients run ad spend on their own Amazon Ads account or card. If you front it, bill it as a separate pass-through line with a screenshot or report, and avoid mixing it into your management fee.
Inbound quantities rarely match the supplier's paperwork. Count at receiving, record shortages and damages, and invoice from that log so the client has no reason to push back.
A percentage of ad spend or revenue pays poorly in slow months. Add a monthly minimum so the work stays worth doing when the account is small.
Inventory that sits in your space past an agreed number of days should trigger a storage fee. State the free period in your agreement and show the date inventory arrived on the invoice.
If you recover lost inventory or fees for a client and take a percentage, list the claim IDs and amounts recovered so the fee is easy to verify.
No. Amazon collects payment from the customer and pays you through disbursements. You invoice when you sell directly to a business, sell wholesale outside the marketplace, or provide services to another seller or brand.
Most prep providers bill per unit for each task, such as labeling, bagging, or bundling, plus any supplies used. Add separate lines for receiving, inspection, and storage, and reference the shipment ID.
It depends on the state and whether the buyer is reselling the goods. In many states, a buyer with a valid resale certificate can purchase tax-exempt. Get the certificate before shipping and check your state's rules or ask an accountant.
Net 30 is common for established retail buyers. For first orders, many sellers require prepayment or a deposit, then offer terms after a few on-time payments.
Yes, many agencies do, often alongside a base retainer. Define in writing whether the percentage applies to gross sales or net sales, which period it covers, and where the sales figures come from.
Send a Amazon Seller estimate for approval, then turn it into an invoice when the work is done.
Amazon Seller estimate template