Taming Master테이밍 마스터

1. The skill mc get that can raise potential and allows him to evolve his pet is used on cooldown every time, it's even said in the early chapter that he create a macro to use it each time is up and when one of his pet have maxed his potential he use it on another.
2. The skill that can replace familiar skill use a lot of potential, he use it often but not when he level up or have a good skill already cause when a pet have 100 potential each level give them more stats, it's a loss to not maxed the potential and then level up, it's explained multiple time during the novel that he doesn't want to use or wait because he need to reach 100 potential for a pet to evolve/level him up.
3. The secondary class he get to craft talisman is used quite often, he even ask his guild member to create image for him cause he suck at it, it's not said in every chapter but we often see him craft for him or to sell them.
4. He use a lot his stockage ability but he need leadership stat to use all his pet in the same time, it's sometime said that he need to chose what familiar he use because he can't summon all of them.
5. Don't know what you mean by complete his class skills.
6. The ranch you talk about don't evolve pet, the ranch is used to get potential, and that can be made by his skill, he ask to made ranch in his guild area because other sumoner can raise potential easily so it's easy money for them.
7. Mc retainer are not all combat related and they can't all have his pet, just the sumoner retainer can. He used his normal retainer in guild combat and to defend guild area but when it come to kaizar or even cecilla(the sumoner retainer), he use them to exp, kaizar even more with his symbiose with karceus(his dragon pet).
8. Don't know what skill you talk about when you said a skill that boosts stats? Maybe you talk about assimilation (if I remember correctly the name of the skill), the skill that allow him to assimilate a pet in his body. That skill is used every time, it's even said sometime that he need to change the pet cause the one he assimilate can't level up, so it become a "trash" pet that are good for nothing and dismiss them.
9. The devil fusion skill I don't remember correclty cause I stoped reading it when he reach the devil world, so I can't do anything about this one.