WOULD LIKE TO KNOW IF PLACING A ROOF OVER A CURRENT LEAKING ROOF IS EASY ENOUGH TO INSTALL FOR SOMEONE THAT DOESN'T HAVE A CLUE?? I HAVE A 14'x 80'SNGLE WIDE THAT I WOULD LIKE TO ROOF,CAN MY WIFE AND I ACCOMPLISH THIS? WHAT WOULD BE AN ESTIMATED EXPENSE ON THIS PROJECT? THANK-YOU