HOW DOES HSN NOT KNOW???

I HAVE BEEN PLAYING THESE GAMES FOR A LONG TIME…NEVER WON..BUT I HAVE BEEN READING HOW SOME HAVE WON AND NEVER GOT THEIR PRIZE…IF YOU ARE SELLING THESE PRODUCTS,HOW DO YOU PUT THEM UP AS PRIZES AND NOT KNOW WHO WON WHEN EVERYTHING IS ASSOCIATED WITH YOUR COMPANY…PLUS THERE MIGHT BE SOME KIND OFF TAX WRITE OFF?? IF I WIN..I DO HOPE TO RECIEVE MY PRIZE…NOW IT’S GOT ME THINKING..HOW ABOUT YOU??!!