Naruto Thread (Spoilers For Sure)

But the problem is, it took naruto how many years of bargaining with the fox and everything during virtually his entire life to convince the Kyubii to let him use its chakra at will?

Minato literally had the seconds/minutes between dying from the dead demon seal and the time it took to get from orochimarus summoning party to learn how to use the chakra.

Yeah but Minato died with the chakra locked with him. My interpretation is that the Kyubbi is kind of a generator, that allowed Naruto to use that power. While Minato is kind of like a battery which holds the Kyuubi's chakra. I'm pretty sure itll be clarified in the next chapter since manga's tend to over explain things most of the time.