Thought this might help. I just renewed my trailor reg. on-line for my 3rd year. You save $5 and a trip to the dreaded RMV. The only hitch (get it?) is the gross weight must be under 2001 lbs. Get them boats ready. Here's the link:
<a href="http://www.state.ma.us/rmv/express/index.htm" target="_blank"><!--auto-->http://www.state.ma.us/rmv/express/index.htm</a><!--auto-->
Terry