I have done the business model and it looks great. The draft is about 15 pages and then I made a canvas of it all on a A3 page.

Now I want to start with the business plan but I want to make some time lines. How long would it take me to draft up a good business plan?
I am a bit of a perfectionist so I want Gouda and not Swiss Cheese if you catch my drift. lol (I want to fill in all the holes for when I present and be able to answer any question thrown at my by consultants and investors.