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So let's say I have a site called "ToyotaParts.com" that has good SEO metrics and is ranking highly for keywords like "toyota tires", "toyota battery", etc.... What if I decide that I wanna target other cars as well with my site and keywords like "mazda tires", yet still want to take advantage of my domain's existing authority... Can I do something like get a new domain like "carparts.com" and redirect the old domain to it and then continue to create new pages that would target new keywords, or would I risk losing my current domain's authority or running into other seo issues? Thanks a lot