There is no such thing as "unlimited data", your speed is your cap.
Anyway, it's understandable that your ISP will want to have a talk with you if you push/pull 10+ TB every month (in this case, you're probably violating their "no commercial service on consumer line" rule), but 250GB/month is just ridiculous.
Anyway, it's understandable that your ISP will want to have a talk with you if you push/pull 10+ TB every month (in this case, you're probably violating their "no commercial service on consumer line" rule), but 250GB/month is just ridiculous.