What's the most expensive way to sell bitcoins?

I think that in order to exchange bitcoins for usd, you need to use one of the special sites for cryptocurrencies, which provides such an opportunity. I preter selling crypto on HiRiBi because I found the highest Bitcoin selling rates here and it helps me get more profit from it. I think that if you compare several of these sites, then you will also find this crypto exchange the most profitable for selling bitcoins. In addition, this site has very good reputation and you can read many good reviews about this site on various cryptocurrency portals and on the blogs of crypto traders.