http://bitcardkpomtp6vdgth4aat3yblm75kwcklsjr4grpdpmhu3sh67ikyd.onion/bitcoin.html
Step 3: After you press the "Buy" button, you'll see more information about the advertisement, including the terms of the trade. Read through them before submitting the trade request, if you don't agree with them, you can go back to the previous page and choose another advertisement. To start the trade, type in how much Bitcoin you want to buy and click the "Send trade request" button.