1) The document discusses specious barriers to writing productively such as not having enough time, needing to do more research first, or waiting for inspiration. It argues that the key is to set a writing schedule and stick to it regularly.
2) Productive writers make writing a routine rather than waiting for perfect conditions. They allot dedicated time to write each day rather than trying to "find" time.
3) Having clear writing goals can also provide motivation. The document recommends setting goals to stay focused and feel a sense of accomplishment upon completion. Regular writing is the most important factor in being a prolific writer.