Some basics that may be required for voice acting roles could include a demo reel or audio samples of your work, a resume highlighting your prior experience, and a professional headshot. Additionally, many voice actors are expected to have their own home recording setup and be able to deliver high-quality audio recordings.
There are a few potential risks to making money with voice acting. First, you may not have the right voice for the job. Second, you may not be able to get the job you want. Third, you may not be able to make a living off of voice acting. Finally, you may not be able to find work that you enjoy.