We will not charge you for extra bandwidth automatically, once your server is about to run out of bandwidth you will be notified via email to give you time to order additional bandwidth, if it runs out then your server will get suspended to avoid surprise overages.
You can order additional bandwidth by contacting our support group via a ticket.
Pricing goes as follows:
250GB: $3/mo
500GB: $5/mo
1TB: $10/mo
10TB: $50/mo
