Review Detail of in I am Uzumaki Naruto

It's a good story with nice interactions and interesting skills. However, it's to inconsistent. Example 1: In one paragraph he can not use a jutsu in the next he uses it. Example 2: Once he has needs years to level up in another he uses a day for the same or more. Example 3: In one chapter chunnins are between level 50 - 100, in a alter chapter he can only fight with them but his level is 192.