Start the trade by clicking the blue "Make Offer" button.
Add the cards you want to trade in. (Don't forget to check the Worth Column and calculate the value of your cards!)
Add the cards you want by browsing through the Bots inventory or using the Filter.(Don't forget to check the Game Specific Inventory and calculate the price for our cards!)
Click "ready" and "ok" in order to send your trade offer.
After you're done adding cards click the blue box below your offered cards to confirm the trade contents:
Only one more thing to do in order to send your Trade Offer - Click the green "Make Offer" box:
That's it! Your Trade Offer has successfully been sent to the Trade Bot and you will see a confirmation on your trade window:
After the Bot has checked whether it's a valid trade in terms of credits or not or if any other rule has been broken it either approves or declines the trade: