You can't    NIcehash Miner is a sweet tool, dont get me wrong, but they will always struggle even being top 5 most profitable daily . And thats simply because: it always pay's more to do something yourself.   
Nicehash finds you a buyer, Pays you PPS every single share, runs a wallet you can use, and makes it all available, puts cash in your pocket with "one-click" -- there's a fee for this service as you can imagine