Am I ready to cast? (first time resin sculpt)

OK so I think I'm done. I like how this looks, but I just want a last opinion before I cast it.

I'm going for feminine canine. I will add smiles and eyebrows for expression with foam after casting.

(The eyes are just paper to see how it would look)
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What do you think? Should I cast it? Does the mouth cut line look okay?

I'm concerned about the eyes. My original plan was to have follow-me eyes, so that's why I did the deep holes. I'm not sure it's gonna turn out how I want. Is it possible to make this a base that would be able to do both eye styles? Or should I just leave this?

One last thing:
There's a Utecht/Blick store near me, and they only have the Smooth-on pourable kit. They weren't sure if they were ever going to have the brushable kit in stock. Is it possible to use the pourable kit for this or should I just pay extra to have them order the brushable kit? I want to do this right, but I also want to save as much money doing it.

Thanks so much for looking! (: