SARS IS TOTALLY ****

How on earth can a person work for over 20 years and without even having taste of his tax money BUT declared owing tax? How on earth can your thousands be deducted every month BUT at end be owing the very same company money? Is SARS **** to claim I owe them the very moment I want my Tax return. Actually what i working for? To make money that I can't claim back? My email address is ***, my phone number is ***