We had both Good Sams and Coachnet, for some reason for a long time. Let the lapse due to not using it for a while. Good Sams couldn't find us service once but we used Coachnet several times. Wife ...
It appears those higher numbers are for new members to join.
But if I log in to the Coach-net site and click on renew, it shows Premium Towable (that I have) for $129 for 1 yr and Premium Coach $149 for 1 year. Mine is due next month.
Try logging into the web site and see what your renew rate would be. A phone call would probably get you the better rate also.