I've heard of people audio recording blog posts for transcription later on. There's also a company whose name is failing me (Muse?) that often advertises making

I've heard of people audio recording blog posts for transcription later on. There's also a company whose name is failing me (Muse?) that often advertises making money on your commute by doing consultancy phone calls in your profession. Never tried it but you could also attempt to do your own consulting on the phone.