Before you start, take three deep breaths. Sit with your feet flat on the floor. If your mind is racing, your results will be "noisy." Aim for a state of calm curiosity.
You can buy a beautiful crystal pendulum (Amethyst for intuition or Rose Quartz for heart-centered questions are great), but a wedding ring on a piece of thread or a heavy bead on a string works just as well. The magic is in you , not the object. Pendulum Magic for Beginners: Tap Into Your Inn...
Instead of "Will I be happy?", try "Is taking this new job in my best interest?" Before you start, take three deep breaths