I'd skip the dot all together.
as far as the rest i usually just risked it and pulled with a slow. the first thing to cause agro on a mob is only 1 point of agro so it will literally turn to your pet after the first attack.
The major issue of your efficiency is the white/yellow mobs. the exp they give versus a dark blue is not worth the extra effort. follow the suggestions and find an area with plentiful dark blues.
It's also good to keep in mind that enchanters as a whole are pretty much terrible until level 29. After that things change drastically. Before that is just hanging in there.
Level 29 brings you clarity, a better and more efficient haste spell, and a damage shield that is really good for the level. it changes the game.
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