Your own store or Amazon first: how to choose
Decide which channel deserves your first six months, what each one makes you pay for, and the sequencing error that leaves a brand renting its whole business.
The question is sequencing and not loyalty
You have a product and a limited amount of capital and attention. Doing a marketplace properly and doing an own-brand store properly are each a full job. Doing both badly at the same time is the common outcome and it is worse than either done alone.
The choice is not which channel is better in general. Both work. The choice is which one your particular product and your particular bank balance can survive for the next two quarters. Each channel hands you one hard thing and solves the other one for you. A marketplace gives you demand and takes the customer. A store gives you the customer and leaves the demand entirely to you.
What each option makes you pay for
A marketplace excludes the customer relationship. You do not get the email address and you cannot retarget the buyer and the reviews you accumulate belong to the listing rather than to you. It also excludes price freedom because the shared product page forces you to react to whoever undercuts you. In exchange you pay per order through referral and closing and weight fees and the return legs and the advertising needed to be seen.
A store excludes demand. Nothing arrives by itself. You pay a platform subscription and a domain and a payment gateway percentage and your own logistics and then you pay for every single visitor through paid media or the slower route of content and organic search. GST at 18% applies to the services either way. The costs that catch people out are the quiet ones. On a marketplace it is the return leg. On a store it is the cost per acquired customer in the first month before anything is optimised.
Who should not pick each one
Do not start with a marketplace if the brand is the product. Anything whose value sits in the story and the packaging and the relationship becomes one of forty tiles in a grid and competes on price and delivery date alone. Skip it also if your gross margin is under roughly a third of your selling price because the fee stack will take the rest. And skip it if you cannot hold a dispatch commitment every working day. Platform metrics punish late dispatch harder than most sellers expect.
Do not start with a store if you have no audience and no content capacity and no money for paid media. A store with no traffic is a monthly subscription and a bruised ego. If you cannot fund media for two full quarters while you learn what converts the store is not yet the right move. Be honest about operations too. A founder who is also the packer and the customer-service line will struggle to run returns and enquiries while learning advertising.
How to decide in an afternoon
Answer four questions in order. Does demand already exist. Look at how many sellers are competing for your product type on the marketplace and whether people search for the category by name. If the answer is yes the marketplace is the cheaper first sale. If nobody is searching you will have to create the demand and you may as well create it on ground you own.
Can the product be judged from photographs and a specification table. If it needs explaining or trying or configuring the marketplace will misrepresent it. Then calculate the contribution per order on each channel using your real numbers rather than the headline fee. Finally ask who owns the second purchase. For consumables and refills and anything bought on a cycle the customer relationship is most of the lifetime value and that argues for the store even when the first sale is harder.
Whichever you pick commit properly for two quarters and then add the second channel deliberately. On the marketplace side the listing content and pricing and advertising work has a published scope and rate as marketplace optimisation.
What to measure once you have chosen
Contribution per order after every channel-specific deduction is the number that matters and it must be calculated separately per channel. Read it next to the share of revenue that comes from returning customers. That second figure tells you whether you are building a business or renting a shelf.
Total revenue by channel is the flattering number. It makes the marketplace look dominant early because it always wins the first year on volume. It says nothing about which channel you would still have if the platform changed its category commission or suspended your account for a week.
The common mistake
Most brands launch both at once with the same catalogue and the same price and then let attention drift to whichever one produced orders first. That is almost always the marketplace. Eighteen months later it carries nearly all the revenue and the store is a brochure and there is no email list and no owned audience and no idea which customers bought twice.
The cost appears the day something goes wrong on the platform. A listing suppression or a commission revision or a stock-out during a sale event removes most of the revenue in a week and there is nowhere to send the demand. Pick one channel on purpose. Then build the second one before you need it rather than after.
This guide explains how something works. It is not legal, tax or financial advice, and rules change. Confirm anything regulatory with a qualified professional before you act on it.