Advice to ChantersFollow

Its not an exploit or anything

You can simply overwrite chants on everything

Well, this is a very common method everywhere I have been, hehe :) But what most people do is try to sell it, even for a tiny amount; enchanting is expensive enough as it, even without a 100% loss by self-enchanting over and over again.

Still, sometimes it's easier than giving out cheap or free enchants ^_^

Sorry to burst you're bubble, but that is common knowledge to most enchanters. It is the preferred method of skilling up thru the mid levels on every enchanter guide I have read. Most will tell you mid-level enchants usually don't sell very well and the one you do sell tend to be money losers. The exception to this rule is the glowing enchants, people just love to have a glowing weapon. Enchants are supposed to be over-writeable, it is just assumed that it will be with newer/better ones. Here's the key point that you failed to mention;
While Enchanting the same item, with the same enchant, for skill-ups numerous times:
1. Watch the color of the enchant, same color codes on skill-ups as any other profession. (orange,yellow, green, grey)Most say that once you don't skill-up 40% of the time on average its time to move to the next pattern.
2. Try to do the enchants that use dusts only for re-enchanting the same item for skill-ups, ie Enchant Chest - Greater Health.
3. It's very helpful to have a carfting profession to support enchanting. It's usually easier to make items to DE than to buy the enchanting suppies from the AH.

Youre not the only one ;)

Thats pretty much the way it went for me leveling my enchanting from 1-200.

After that I do try to sell them for any amount I can get.