Once you publish your store, it's live for people to see.
One of the cool things about GoCentral is that you can make edits on the backend while leaving the live site up. Once you're done with your edits, you just publish again. It all updates on the live site. Boom. Done.
There are a lot of other things you can do with the GoCentral Online store as well. It's a pretty cool website builder.
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