In the mobile game "Naruto World", players with insects can add characters' attributes after they possess them. The increase in character attributes increases with the level of insects. So what are the methods for upgrading insects in the mobile game "Naruto World"?

　　　　Insect Upgrade Methods for Mobile Games of "Naruto World":

　　①Try luck:

　　One nodded and disappeared and then changed to another one (benefits: if you are lucky, you will point out the level 17 bug. If you calculate the initial probability, the probability of all 17 successes is 1.72315E-07, which is slightly lower than the probability of winning the first prize of Sports Lottery 31 Select 7/C31(7)= 3.8029E-07; of course, if you calculate the probability of all success after level 10, the probability is 2.44702E-06, which is an order of magnitude higher)

　　②Stable:

　　Prepare a large number of level 0 insects and gold coins, first click to level 10, accumulate a large number of level 10 insects, then click to level 11, accumulate a large number of level 11 insects, then click to level 12, and so on. Refer to the table below to prepare for as many gold coins as possible. (Because this is the average usage cost, the specific usage cost is related to the individual's luck.