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gillis109100% your boots are guaranteed too big. Get proper fitting boots and all 3 of these issues will be fixed. You will also have better control and response from your skis.
If you're in the hunt for some new boots the only way to do it correctly is to find the best/closest ski boot fitter around your area and go get professionally sized. My first 3 years skiing I used some hand me down boots from a friend and the feel you get with a properly fitting pair of boots is incomparable.
Where do you live exactly? Post in your respected regionals section and dudes should be able to direct you to the best fitter in your area.
50KalDave Hinz is super legit. Bit too truthful sometimes but he'll give you his honest opinion when you ask and won't bullshit you.