Marketplace or your own store: compare the whole operation
Compare discovery, per-order costs, channel rules and maintenance before choosing where to sell. Using two channels also requires stock control.

Selling through a marketplace and running your own store are different ways of organizing a sale. One puts the product in an environment buyers already know. The other lets you decide how to present the offer and guide the purchase. Neither guarantees demand, margin or an easy operation.
Before choosing, select a representative product and follow the entire order. A channel that looks cheaper at registration may require more advertising, support or work after the sale.
Start with how the buyer arrives
In a marketplace, a product appears within searches, categories and comparisons with competing offers. This can help a business without an established audience, but being listed does not guarantee visibility. The description, availability, delivery date and terms still need to support the buyer’s decision.
For an independent store, decide how people will find it: existing customers, content, search, campaigns or partnerships. Buying a domain and publishing a storefront does not create an audience. Without an owner for acquisition and content, that work can remain unattended.
Compare the result of each order
Calculate money received minus the product, packaging, subsidized delivery, selling and payment fees, attributed advertising and support or returns when they occur. Use your own operational data. A commission percentage on its own does not describe the outcome.
Amazon’s official pricing page separates selling plans and category-based fees. Terms vary by market and service; check the schedule for the country where you will sell.
As a hypothetical example, an independent store might save commission but spend more to acquire each buyer. In another case, marketplace orders might leave little room for replenishment once fees, ads and delivery are included. A useful comparison keeps the product constant and makes each cost visible.

Control comes with work
Your own store lets you organize the catalog, content, customer relationship and brand experience. It also requires maintenance, payment integration, order monitoring and support decisions. You still depend on the terms of the suppliers you use.
In a marketplace, read the rules for listings, buyer contact, deadlines, returns and account suspension. Do not assume you can move customer data into another tool or promote your store within a listing. Check what the channel permits before building a plan around it.
Two channels need shared rules
You can use both if stock and support can keep up. Decide which system owns the catalog, when a sale reserves the last unit and what happens when synchronization fails. A manual spreadsheet may handle a small volume, but it needs a clear owner and routine.
Pilot a small selection and record orders, acquisition cost, returns and support time. Start with the channel you can operate well and keep the choice open to review. Add the second when you know who will maintain and monitor it.
The e-commerce operations guide helps detail these decisions. If your own store makes sense, compare an existing platform with custom development against the rules you actually need to support.
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Tiago F SantiagoComments
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