Jumping into the field is relatively simple. Most prospective transcriptionists start by taking an online transcription course that teaches them the skills necessary to perform common job duties. Companies, such as Transcribe Anywhere, offer classes that teach students the basics of general, medical, or legal transcription, and just as importantly, how they can go about finding clients for work.
If you have 20 years left to live and only require $60,000 a year, having $1,200,000 can also be considered enough even if you make zero return. The only problem is that your purchasing power will decline by ~2% a year due to inflation. The other problem is that you don’t know exactly how many years you have left to live. Therefore, it’s always better to have more rather than less.