Weigh the pros and cons
A switch can be repurchased in the future and will be irrelevant in a decade
Soda is FAR from a necessity
In my opinion, being in a stable household should be at the top of your list of priorities. I've said it before and I'll say it again, I had an abusive step-father too. The best decision I ever made was calling the cops, the worst decision I ever made was waiting to do so.