Sometimes, the best is always not the best-selling stuff in the market. It may become a vicious cycle though – best selling stuff leads to its own propagation. But, a lot of times, the under-marketed, the stuff not able to make up the charts, the other top slot sellers may be worth the time to explore – be it books, players, mobiles, team players and so on.
The premium may be less and you may get stuff equal if not better aligned with your requirements.