0 - 250 subscribers included for free with existing monthly Web & Email Hosting service.
$5/month : 251 - 1000 subscribers
$10/month : 1001 - 2000 subscribers
$15/month : 2001 - 3000 subscribers
Add $5/month for each additional block of up to 1000 unique subscribers.
The bandwidth and hard drive usage are part of the basic discussion listserv hosting plan.