Piano tuning is not as simple as accurate tuning, but temperament and twelve-average law, so your solfeggio has nothing to do with it. We are not listening to the name, but to the pitch. In other words, even if your solfeggio is not so good, you can still be a tuning lawyer.

There are many ways to learn tuning now. Classes organized by associations usually last for several months, but they are very informal and difficult to succeed. There are also classes organized by schools. At present, both Shenyang Conservatory of Music and Nanjing Institute of Art have this major, but the tuning major is one of the more professional ones in Nanjing Institute of Art, which is jointly organized with the tuning school in eastern Japan. At present, Mr. Yamaguchi, the best tuning lawyer in Asia, is a visiting professor at Nanjing Art College. You can go to a professional school for further study.

There are also factory owners who usually like to accept acquaintances or relatives, so it is also tricky. And with the passage of time, some old tuning knowledge is out of date, so.

The quality you should have is sound limbs and carefulness, because this is a very meticulous job, which requires Excellence and speed, and it is not good to make money.

In fact, the most profitable musical instrument store has unknown tuning, tuning, construction and a lot of tuning. Of course, you are very modest, but as long as the piano is not carefully taken care of, it is generally the case. Many problems will be found in tuning, and then the price will be different, so a piano can range from hundreds to thousands according to the specific situation and your skills.

That's basically it. I hope I can help you.