He came to that conclusion based on the constraints in his current situation. These constraints narrowed what he can do to solve the problem.
The first constraint in his situation is that he is very busy currently cultivating and will still be very busy in a year's time. He is just too busy to go around trying to increase his merits.
It doesn't seem like it would be a good use of his time because it will take a lot of time and effort for him to level up Mountain Karma and Mountain Foundation. He felt that it was a better use of his time to cultivate and increase his strength.
He wants to at least master the Everlasting Wood Art and some fighting spells before leaving seclusion. He believes that when he becomes stronger, it will be easier to earn merits.
The second constraint is that even if he decides to prioritize earning merits now, he doesn't have anything to do in the sect that will earn him merit in an efficient manner.
He is not rich enough to give energy stones away, and he doesn't have useful knowledge that he can teach. Even if he has useful knowledge, odds are that people will only need to learn it once, so he won't be able to milk that knowledge for much karma.
The third restraint is that he can't leave the sect until he has learned the divine lightning armament. Elder Storm Hawk made that very clear to him.
Actually, it is not advisable for anyone to leave the sect until they are at least at the third mortal coil. It is because even though the Blood Skull sect is the most powerful sect in the region, they also have a lot of enemies, and they are powerful enemies at that.
So he was advised not to leave the sect easily. But if it is a must for him to leave and he doesn't care about his life, then he must at least be at the fourth transformation of the second mortal coil and have mastered one of the killing techniques of the sect.
These requirements ensure that he has decent strength and will be able to protect himself to a certain extent. Since he doesn't have the strength to leave the sect and he can't farm the sect for merits yet, the best he can do is let someone run his dojo for him.
Even if he could leave the sect, he doesn't want to leave now and forfeit the cultivation environment of the sect which he fought hard for. So he sent a letter to his mother to let Brooks help his dojo to run.
The result has come in after doing this for three months. It could only be called disappointing.
He used to be able to earn up to 10 merits per day from each student and some times, he earned an average of 20. But this time, he was barely earning 5 merits from each student.
He didn't know that this was the case at first. He only thought the size of the dojo had reduced drastically in his absence. It wasn't until Brooks sent back the attendance data that he realized that he was being severely unappreciated.
Apparently, the fact that he wasn't directly involved in the process reduced the amount of merit he will earn from his good deeds. That's the best reason he can come up with for why the outcome was disappointing.
It was disappointing, but it gave him hope.
He said to himself, "If quality won't do, then quantity will have to do."
Then he wrote to his mother again and asked her to establish the Red Dojo all over the kingdom and beyond. He wanted the Red Dojo not to be limited to only Agate city in the prefecture of a single kingdom.
He wanted all the five kingdoms to have a Red Dojo, know Arthur, and benefit from his benevolence.
It is a grand dream, but it is going to take a lot of time and money to achieve. He doesn't have the time or money to invest in it, so he wants others to invest in the plan for him and help him achieve it.
Unfortunately, people don't have any reason to invest in his plan. In fact, many people call it a money-burning scheme. Not many people think it is a good idea to spend money on a dojo that doesn't make money in any way.
His mother doesn't think his plan is a good idea. The only reason she decided to invest in it was because he promised to repay her with interest and things she wouldn't be able to acquire on her own with her strength.
As for the Dyson, they only invested a small amount as a way to show their goodwill to him. They didn't invest because they thought that he would be able to return it. They only invested the money as a gift to use to make him owe them a favor. So their investment was little.
But while this can work on the Dyson family, who know him and have a certain confidence in being able to cash in their favor, no one else was willing to invest their hard-earned money in his foolish plan.
Not even the support group of the Apex Alliance thought highly of his proposal. He wasn't surprised by this.
He sighed and said, "Even if they were willing to invest, I should be scared to accept it because I don't have a prepared way to return the money."
He has some confidence in himself that he will become very strong in the future, but he doesn't have any way to earn money currently. So he is a little wary of owing a lot of people a lot of money.
The best plan he has to earn money is to return to his brewing business but on a larger and more powerful scale. But if this plan is successful, he won't need investors.