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I took a year off in college mostly for financial reasons. Didn't impact my GPA or do anything sketchy, I just worked & saved money. I'm already submitting 2 addenda for most schools (diversity + why x), should I even bother writing this one or just be less annoying and omit it?

If I do write this addendum, I'll probably try to make it as short as possible. Is that kosher?

Diversity and "Why [x]" statement aren't addenda. This is worth writing, because an unexplained year off will raise an eyebrow or two.

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