I have honestly no ideas. I know of a prepper site that sold for 10Gs and a domain name for 1G. Usually, I keep the domains I use.
Well it is not for sale, but in my actual situation, a reasonable offer makes me think, like this one time.
If you create another then I have no need to keep this one going on. As for me to create another one in case of ... this one is having enough troubles to survive as it is, diluting the content on another site is not going to help much.
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