Phone screen booked, I am thrilled - 3 weeks in

After 16 applications I finally got a call for an interview as a payroll clerk. This is my first time dealing with any of this. I tailored my résumé and added a short note. Any last-minute tips?

Thanks for writing this out. I went through something close to it 5 months ago, and it got easier once I kept a simple log of every call and form.