If you want to study systematically, of course, you should go to a professional school. They have a professional dance art department and more professional teachers and equipment, but good dance schools need to be admitted, and some of them are difficult to be admitted.
If you want to take this as a career, you must be proficient in at least one or two dances. Of course, the more kinds you can do, the better, because many times you can be coherent.
Small success depends on your personal qualifications and what kind of dance you learn. It takes at least six months to a year for a performance like street dance, and several years like ballet. However, it still depends on whether an individual is smart enough and hard enough. Learning dance is very tiring.
Like many cultural and art brokerage companies, they will recruit such a group of people, form a dance troupe to perform, or dance for any performance, or open their own dance studio, or be dance teachers, etc., and they can make money.