Pricing plans are stacked vertically, not on the same line
Most of the time this is because the user created multiple single-plan pricing tables instead of just one set with several plans.
If you created many pricing tables and copy-pasted all the shortcodes on the post/page it will show each plan below the others. You simply need to add all your plans in the same pricing table.
Refer to this article to get started with the plugin.
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