A story that repeats itself can appear redundant or poorly edited. Nobody enjoys reading the same thing repeated over and over, whether in dialogue, description, or foreshadowing. Even in real life, such things can grate on the nerves.
Word Count
How to Flesh Out Our Stories Without Sacrificing Quality
Our first drafts can sometimes end up shorter than we would like them to be. This is often due to missing details, a need for better descriptions, areas where we did more telling than showing… We can’t always expect everything to come to mind when we need it to.
6 Things to Consider When Structuring Your Novel
Every writer's process is different. Some might start writing with the barest of structures, some might outline every point, and some might not apply structure at all until after their first draft. But it's a lot easier to write when you know where you're going.