I think you will be fine, I got approved and had a aaoa of 3 months because I got approved for 4 new cards a month or two beforehand.
$5k
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$500
I think you have an okay shot at a revolver; much better chance at a charge card. I say app for the green first, if you're approved, immediately app for BCE. If you're denied for green, then you should wait until your Freedom is a year old before you apply again. As for your income question, I think it is fine. Make sure you put student-employed for the income source, most lenders understand that student income will be low and varies. They'll weigh your credit much more than your income. That's just my opinion, but a good one I think 
Good luck!
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