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Stand with your non-dominant foot in front with your toes facing forward. Your dominant foot should be in the back with toes pointed slightly out. Shift your weight to your dominant foot. Make sure your hips are facing straight forward, not angled to the side. Cup your non-dominant hand slightly and place the ball in it. Make sure the ball securely balanced so it won't wobble or fall out of your hand. Keep your fingers slightly loose to distribute the weight of the ball. This will help it stay balanced. Don't grip the ball with your fingers. You want it to be stable, but it still has to be able to fly out of your hand when you hit it. Bring the arm holding the ball across to the side of your body in front of your hitting arm. The ball should be at the height of your mid-thigh. Straighten the arm with the ball in it, and move it to the side by shifting your arm at the shoulder, not the elbow. You want the ball to be low so that you can put more power into it as you move your whole body forward and up. Move your hips back and keep your upper back straight as you bring your shoulders towards the ball. This brings your a little closer to the ball so that you have more control. Don't hunch over but make sure you aren't standing up straight. As your hips move back, you can raise the toes on your front foot so your heel is touching the ground and your toes are pointing up.
Get your feet into position. Ready the ball. Lower the ball. Lean your shoulders forward.