Guild Wars 2

I’m crap at it, but I’d guess that you spend all day;

• looking for 15% profit margins, or
• buying up lots of low priced items so that the higher price you buy them upto is over 15% more than the median price. Or something.

There is a similar thread already..

It’s pretty easy. You just want to bid on items, and then sell them at a higher price. You do have to take into account the 15% fee when selling it though.

Just go over to http://guildwarstrade.com or http://gw2spidy.com and look for the margin (spread on GWT). That is the expected profit you would make if you bought an item at the current bid price, and then sold it at the current sale price.

The biggest drawback to it is time, though. When you flip stuff, it could take months before it sells. So if you have a small amount of gold to start with, you want to try to pick the high-volume items that have relatively stable prices with a semi-good profit.