Not being rude but i believe multi-boxing is a rich man's stuff? or is it not true anymore?

If someone decides to do multi-boxing, I wouldnt think money is even an issue to him.

PC + Software + Electricity + Monthly fee + Time investment = $$$

And no, dont play your friends' accounts. When you get to Lv70 and have good gear, you will all of a sudden found your password no longer valid when you log in. =)