It is 'possible' although very unlikely to get gains from a GM one at this level. It would be VERY slow and VERY expensive if you did. I did however run across something interesting while my brothers account was training tinkering: For the most part, if the level of the tinker ='s the level of your archery, you get GREAT gains off that Golem! I used this technique from 50 to 120 (once I got to 100 I noticed the GM golem was gaining skill while I hit it so it worked out well :p)