If a TurnKey.com coupon code isn't working, try the following steps:
- Check the expiration date of the coupon code.
- Ensure the code is entered correctly, without any typos or extra spaces.
- Review the terms and conditions to confirm the code applies to the items in the cart.
- Clear the browser cache and cookies to remove any potential issues.
- Try using a different browser or device.
- Contact customer support for assistance if the code still doesn't work.