Should I send the financial aid app before submitting the college app?

Answered

You should send the common app first. It's most important, and that's what AOs want to see immediately. But I don't think it really matters, as long as you submit both on/before their deadline. If their both ready, you can submit both after another. But if the school uses ISFAA or their own separate financial aid application, it's better you submit your common app first so they can create your portal and show you how they want the rest of your documents sent.