Creating a new theme for wordpress, what theme framework to use to be able to sell my theme

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I want to create a simple theme for WordPress. As I see I have the following options:

* create it from scratch
* use an existing theme and modify it
* use an theming framework for which I would create a subtheme. As I see this would be best option(because the parent them will still be getting updates, including security updates)

So I’m looking on the default WordPress themes(Twenty Twenty-Two) because somehow I feel they will get the best security updates. However those themes are distributed under GNU General Public License v2 or later, which seems restrictive if I want to sell my child theme. If I create a child theme for it, would I have to release it under the same license?

What other decent theme frameworks(simple, fast, secure) I could use(in such a way that I could sell my themes)

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