Read greens by selecting the high point of the putt between the spot and the hole, and let the contour of the green bring the ball into the hole
A common error with beginner golfers is to get your left hand grip too much underneath the club, engrain the correct left hand position in the grip with the simple drill
Do not approach your chipping stance like a full swing stance, keep your feet close together, slightly open, weight on your front leg and shoulders square to the target, this set up clears your hips prior to the shot and puts more of the toe of the club flat on the ground