Here are the steps to take if you wish to create a custom order.
Step 1. Use the 'Search Marketplace' field to quickly filter the item list, or navigate through the drop down menu system to browse all the products in each category.
Step 2. Click on the item you wish to buy or sell.
Step 3. Click the 'Create Order' button.
Step 5. Connect your wallet.
Step 6. Select 'Buy this item' or 'Sell this item'.
Step 7. Verify the 'quantity to sell', 'price per item', and 'currency' are correct. Note the 'Total'.
Step 8. Click the 'Place Order' button.
Step 9. Approve the transaction.
Step 10. An 'Order Placed / View My Orders' notification will appear when your order has been placed.
Final Note: It is no longer necessary to claim funds when your order goes through. ATLAS and USDC are immediately moved to your wallet when someone fills your order.