Appendix · Linked from Hour 7 · The 8-Hour Business Launch Master Plan

Amazon Selling — Vendor Reality & Consultants

What it's actually like to sell through Amazon — the two doors, the fee math, the day-to-day — plus where to get help.

Powerful channel, but you're renting the audience

Amazon hands you enormous built-in traffic and, with FBA, Prime-badge fulfillment you could never build yourself. In exchange, you don't own the customer relationship, you compete on price inside a fee structure Amazon controls, and you live by Amazon's rules. This is the same trade-off named in Hour 1's model gate — selling through Amazon is renting an audience, not building one.

Most brands run Amazon alongside their own Shopify store, not instead of it. Amazon is often a loss leader — a chance to have the customer try your product, but not a chance to make great profits.

ProgramWhat it means
Seller Central (3P / third-party) You list your own products, set your own prices, stay the merchant of record. This is what almost every new business uses. You are in control, but you do the work. For a day-one business with ~$10K, this is the realistic path.
Vendor Central (1P / first-party) Amazon buys your product wholesale and resells it as "Ships from and sold by Amazon." Invitation-only. Comes with chargebacks, EDI automation, minimum inventory levels, and compliance overhead that brands often need an agency to manage. Not a starting point.
Fees decide whether a product is even viable

Selling on Amazon means stacking fees, and they decide whether a product clears margin. Model the full per-unit cost — referral + fulfillment + storage + returns + ads — before you set a price. A product can look like a winner on paper until Amazon fees, returns, and storage eat the margin.

  1. Plan fee — $39.99/month for the Professional plan, or $0.99 per item on the Individual plan. Individual suits ~40 items/month or fewer; Professional suits higher volume.
  2. Referral fee — Amazon's commission, typically 8–15% per sale depending on category. Most categories sit around 15%.
  3. FBA fulfillment fees — per-unit pick/pack/ship charges if you use Fulfillment by Amazon. For 2026 these rose an average of ~$0.08/unit.
  4. Storage & aged-inventory fees — the quiet margin-killers on slow-moving or oversized stock. 2026 also tightened dimensional-weight rules, so fees are calculated on your fully packed box, not just the product.
The ongoing work
Running a Seller Central account is its own job
Listing optimization
Titles, bullets, images, and Amazon SEO — an ongoing task, not a one-time setup
PPC advertising
Often the largest ongoing expense, and hard to track in Amazon's standard dashboards. On a crowded marketplace you essentially have to advertise to be seen.
Inventory forecasting
Keep stock flowing — stockouts lose ranking, overstock triggers storage fees
Account health
Unforgiving. A policy strike or suspension can cut off revenue overnight. An entire category of consultants exists just for reinstatement.
How it fits the plan
Amazon as a channel, not the whole business
Run it alongside Shopify
Amazon brings traffic; your own store builds the customer relationship and the email list
Model fees first
Before listing anything, run the full per-unit cost so the Amazon price still clears margin
Start with Seller Central
Vendor Central is invitation-only and agency-heavy — not a day-one move
Hire narrow, not broad, at first
A single freelancer for one task beats a full agency retainer at launch stage
Amazon is its own economy — many agencies and consultants
Best once Amazon is a real, scaling channel — not day one
My Amazon Guy
Full-service listing optimization, PPC, and account management; large team, 400+ brands
SalesDuo
Full-service account management including the harder Vendor Central side; EDI and chargeback handling, largely ex-Amazon staff
Seller Interactive
Listing and growth focus; reports 1,300+ Amazon brands managed
eStore Factory
Full-service agency building end-to-end strategies for brands of all sizes
MarketplaceOps
Boutique FBA consulting agency, expertise across both Seller Central and Vendor Central
Freelancers for single tasks
The lower-commitment, better-matched spend at launch stage
Upwork — Amazon Seller Central consultants
Hire one specialist for a specific task — fee modeling, first-listing setup, a PPC tune-up — instead of a full retainer
Fiverr
Fixed-price gigs for listing copy, A+ content, and product images
Account-reinstatement specialists
If an account is ever suspended, there are consultants who focus only on reinstatement — search at the time of need, vet carefully
Once an Amazon listing is live, schedule thisCadence: Daily · Trigger: Inventory thresholds, PPC spend pacing
CoWork can do
  • Daily pull of Amazon sales, PPC spend, and ACoS into a single dashboard
  • Flag FBA inventory approaching stockout or aged-inventory surcharge windows
  • Reconcile Amazon payouts against listed revenue minus fees
  • Draft a weekly Amazon performance summary alongside the Shopify numbers
  • Surface buy-box or pricing changes worth a human look
Setup cost: ~1 hour once. Daily human time: ~10 minutes to review the dashboard.