Dtop pullling shit from your ars, where has it been stated that a person can't have more than one beast? Sasuke will never become a host, it dosen't make sense, he will get some epic eye power techs whiløe naruto will get some epic techs that only a jink can give. My bet is 10 tails will be sealed inside naruto or 10 tails will be sealed somehow.Sasuke will become the 10 tails Jinchuruki, either that or Obito. Naruto has too many things inside him already. Besides it's been confirmed one person can't host two bijuu. Naruto is already in Sage mode, as said last chapter. You're the one that needs to read the manga, boy.
Kurama cannot do anything when he's asleep. He didn't save Naruto from Itachi's genjutsu either.