Let's say you found a great company advertising less than half of what you are currently paying. Most reasonable people who think, it's worth a shot and they try it. When the transcript is returned is when the fun starts.
Do you notice minor typos right away? No problem, you can fix those, after all you are getting a great deal. As you skim through the transcript you notice that some sentences just do not make sense. This wasn't what you heard during your interview or speech. Now you pull up the audio and decide to listen again. You could be wrong.
Upon listening to the audio you realize that complete sentences are missing and some don't even fit into the context of the conversation. What the heck is going on here!