Studio Sound Quality Specialist

I'm seeking an expert to help resolve distortion issues in my home recording studio for recording audiobooks. I'm currently using Reaper, a Shure SM58 mic, a Scarlett Focusrite 2i2, into a Dell desktop computer (Windows 11)... (Budget: min $50 USD, Jobs: Audio Editing, Audio Engineering, Audio Mastering, Audio Mixing & Mastering, Audio Production, Audio Services, Sound Design, Troubleshooting)