It's hard to give an exact time as it depends on the manga's plot development. But typically, Yuta Okkotsu shows up when certain events and character arcs lead to his introduction.
Well, it could be that in this fanfic, Naruto has developed a new jutsu that allows him to analyze and then replicate the DNA - like aspects of bloodlines. He might be using his vast chakra reserves to fuel this ability. For example, if he encounters a bloodline with a special element - like the Ice Release of the Yuki clan - he could break down the chakra signature and recreate it within himself.
The time needed to copy 10,000 words varied from person to person, depending on the speed of copying, the quality of the copy, and the location of the copy. Generally speaking, it would take a long time to copy manually, especially if the quality of the copy was poor.
As for the speed of copying, it also depended on the individual. Some people can copy 10,000 words in a short time while others may take hours or days to complete. Generally speaking, a speed between 500-1000 words per minute was a reasonable range.
It should be noted that copying books was a very time-consuming and laborious job. It should be avoided when fatigue, nervousness, or illness were involved. At the same time, in order to protect intellectual property rights, they should abide by relevant laws and regulations to avoid violating the copyright of others.
As a fan of online literature, I don't have any practical experience to answer this question. The price of a novel depends on many factors such as the genre of the novel, the publishing company, the quality of the paper, the number of prints, the cover, and so on. In addition, the prices in different regions might also be different. Therefore, I can't give a specific price for a chapter of the novel. It is recommended that you consult your local bookstore or publishing house or search for relevant information on the Internet to obtain more accurate price information.
Well, usually in fan fiction circles, there's a sense of respect for original work. People know it's not right to copy-paste and there are often rules and moderators to enforce this. Also, fans themselves are quick to call out such behavior.