cronjob for billing & more

As discussed lets get this done 1) according to our billing system price you update the fields 2) according to status change on "courier" status you may charge few extra 3) Download CSV on Admin - customer account selection 4) Billing Cycle number unique 9 digits random- status "progress" ability to insert due date payment and notes 5) client website, total account balance sorted by "progress" and "done" 2 amount and total.