That may not be the case for you just yet - especially if you're fairly new to the game. The Power Tee can help you.

Get yourself into a routine up against the golf ball to know you're the right distance from the ball. I'm going to quickly show you at least one way of doing that.

Remember though, your PGA professional can also help. 

Set up to the golf ball, put your club up against the golf ball ready to be hit. Put your feet together. At this point here, with a little flex in your knees, you should have approximately a handspan of width between the top of the golf club and your thigh. If you've got that then you are approximately the right distance from the golf ball - and that is true for every club in the bag. 

Once you've got that position, take your feet apart making sure you maintain the same distance from the ball - now you know you're in the right place to go ahead and hit the shot.

Now, the great thing with the Power Tee is that another ball is coming up for me, and providing I haven't lost my balance at least for another couple of shots I can go back to that golf ball, even put my feet together, re-check my distance, I can see I haven't moved, feet apart and I'm ready to go again, confident that I'm in the right place: I can hit some good shots.