If the goal is just making money selling cards, marketplaces alone (eBay, TCGplayer) are the simple answer: they bring the buyers, take a fee (commonly in the 10 to 15% range), and there's nothing else to build. A personal website only starts to make sense once the goal shifts to building something bigger than any single sale, a brand with repeat buyers who show up without a marketplace search bringing them there.
What belongs on a marketplace, not a personal site
Cheap bulk and low-value cards. A $4 holo doesn't justify the extra step of a custom listing on a personal storefront when a marketplace's built-in traffic sells it faster with less setup. The math tips the other direction once a card clears roughly $10: marketplace fees on a $10 card can run over a dollar, which starts to matter once volume is real.
The low-cost funnel that turns marketplace buyers into repeat ones
A business card (or a QR code on the packing slip) in every eBay or TCGplayer order, pointing to the personal site, turns marketplace fees into a marketing spend that would otherwise cost real ad dollars. A small incentive on the card (a discount code, an entry to win something) meaningfully increases how many buyers actually visit. The same idea works in person: a simple sign-up form at a convention table, tied to a small giveaway, can add dozens to a couple hundred email contacts over one weekend, and email converts well specifically because almost nobody else in this space is using it consistently.
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Rough price where a personal site starts to pay off
Below this, marketplace reach usually wins on a single card.
$10+
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Email contacts, one convention weekend
With a real giveaway incentive at the table.
~100–200
The Shopify problem specific to Pokémon
Shopify has a well-known habit of shutting down Pokémon card storefronts, driven by concern over counterfeit product liability. Getting flagged commonly means being asked for invoices from an official distributor to prove legitimacy, a bar that's inconsistently enforced and can shut down a store that's selling entirely legitimate product simply because it can't produce the specific paperwork requested. Sellers who've run into this report fewer problems on Wix and Squarespace, though platform policies change and neither is guaranteed immune.
The order that actually works
Sell on marketplaces first, fund a personal site with the profits (sealed product especially helps a new site not look empty), and use every marketplace order as free advertising for that site via a business card or QR code. Trying to launch a standalone storefront before there's traffic or brand recognition usually just means an empty-looking site with no visitors, which converts nobody.
Where bulk actually sells best → Start with the $500/month version →