by using the clone justu to mutiply his training time
Yes, he will have a sage mode . somewhat like the sage mode of his master, Jiraiya. He used it in defeating Pain.
Before Naruto could master Sage Mode, JIraiya was stronger than Naruto. Now that Naruto mastered Sage Mode and controlled Kurama, he is now stronger than Jiraiya.
sage mode
Naruto looks cooler because he master what Jiraiya couldn't. Naruto completely mastered the sage mode but Jiraiya couldn't so he developed some toad features when turned into a sage.
YES! yes he does. The toad sage, master fukasaku, teaches him at mount myoboku. (in shippuden)
itachi is better than naruto without sage mode but with sage mode naruto is stronger and faster
no but there is a naruto setting when he learns to use the sage mode
Naruto does not combine the sage mode with the Kyuubi`s eye because when naruto went through the sage mode, he turns little bit into a frog. You should read more Naruto Shippuuden manga chapters.
naruto because hes in sage mode (sage mode is when u become 10 times stronger)
no one
Yes.
Yes. Sage mode increases the strength of all ninjutsu, genjutsu, and taijutsu of the user