Which-Crafts?

So I am working on a super Sekrit project. But I have something really specific in mind, and I think I finally found the pattern I want, or something really close to it. Now to the yarn to knit it with.
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I am not sure it exists. I start searching and am not coming up with much (something v.soft, preferably worsted weight, superwash wool, variagated, with fairly long and gradual color repeats). Next up, I think well I could buy “bare” yarn, and dye it myself, but I am not finding a lot of superwash options that come in the weight/style I want. And I am thinking of the process it would take to get the long color progressions. And because now that I spin, I have some real ideas about what I want my yarn to be like, and what options I have for fiber content. And whether or not it would be easier to dye the fiber or the yarn etc.

I realized how MANY options I have now, its pretty cool. It sort of opens up a whole new horizon of choices for creativity and that is pretty exciting.

OTOH I have to balance how much time I have for this project and whether I really want to blend fiber, dye it, spin it and then knit it. It would certainly make the project special, but i am not sure that it won’t be cherished no matter what I make it out of.