I didn't feel the need to ask many questions here, since most of the vital information is already spelt out in this section, and it'd be redundant. Anyway, take a stab at these questions.

Exercise:

1. How often should you update your outline when revising?

2. What should you consider before you begin revising?

3. When is it finally time for some fine-tuning and polishing?

Apply to your own work:

1. What do you need to focus on when revising your manuscript?