HE MEANS
YOU SPEND 10 DOLLARS ON SILVER PREMIUM....
29 DAYS LATER, WHEN U ARE ABOUT TO RUN OUT AND WOULD NORMALLY BUY ANOTHER 10 DOLLAR SILVER PREMIUM, YOU USE THE UPGRADE TO GOLD FEATURE...
WHERE WITH UR 1 DAY LEFT OF PREMIUM SILVER, WILL NOW BE 30 DAYS OF GOLD PREMIUM FOR 6 DOLLARS, RATHER THAN 15...
SO YOUR TOTAL WOULD HAVE BEEN 20 DOLLARS FOR 2 SILVERS IF YOU WERE GOING TO REPEAT IT, BUT IF U WERE GONNA GET GOLD IT WOULD BE 35...
NOW YOU PAY 16 DOLLARS FOR 1 MONTH OF SILVER AND 1 MONTH OF GOLD AT THE END...
ITS NOT ROCKET SCIENCE...