Yes. Once the requirement and scope are clear, a suitable estimate can be discussed before the project begins. The final cost depends on what the project actually requires.

Usually, the basic business information, goals, existing brand assets, content or references, and any required account access. The exact requirements depend on the project.

The timeline depends on the scope, complexity and feedback involved. A realistic timeline can be discussed once the requirements are understood.

Yes. A project can be started with the most important requirements first and expanded later as the business grows or new needs come up.

That's completely fine. The first conversation is about understanding the business, the current situation and the goal. From there, the right approach can be figured out instead of adding things that aren't actually needed.