I can`t see any useful things at first post (yep, i know russian) - it`s just a nooby instruction, it`s not buq or anything like that. The most useful way to enchant (without any exploits) is get few similar things to enchant and enchant until you`ll get a last one.
btw. i heard so much about 'l2j encchant bug", can you talk something about it, if it`s exists, ofcourse)