when selling first have a look at othe items that are simular and check out what thay sell for, then when you are selling your item put a resirve price simular to the prices that simular items sell for, to inshore you get the best price for the item you are selling.

buying can sometimes be an issue when some items say AU when you are viewing it for the first time, then when you go into the item it says it is in hong kong this can be confusing and sometimes hard to pick up, also keep an eye out because the item may be cheep but the postage is verry high look for these things when buying.