First you need a lvl 35+
why 35?
Couse at lvl 35 you can have 225+ in a proffesion.
Then write /2 WTS Crusader/ lifesteal/ +dmg bla bla bla..
Then your victim says : Hey how much for X enchant on weapon?
You say : free if u bring me mats.
The guy go gets the mats.. He gives them to you.. And u ignore him.. Simple.. U cant get banned for this.. Couse u are not breaking a rule.. The guy gives u the items am i right?
But u should move server after u have scammed lots of ppl.. Else u get realy bad Rep
Enjoy