Swap your common items for rare, mythical and Strange items.
No need to worry about scammers or even human interaction.
Finish those awesome sets.
You need to login before you can do anything useful.
First, enter the Sell queue by clicking the "Sell Items" button in the trading area.
A bot will add you on Steam and start a trade.
As you add items to the trade, the bot will say what they are worth.
After the trade is finished and verified by the bot, you will get gold.
When you find an item you want, add it to your cart.
Click "Buy cart" to buy the items in your cart.
You will be immediately charged for the items and they will be saved to your account.
After you buy items, you probably want to transfer them to your Steam account.
You can always see your items in the "Your Items" section by the trading area.
When you have items available, the "Receive Items" button will appear in the trading area.
Click "Receive items" and you will be placed in the trading queue to get your items.