The cover summary page should act like a 'shopping basket' (ie when your using Amazon and you add things to the basket)
You can always go back and edit things. The premium always updates as you add new products
the policy wording should always refresh with the relevant clauses added etc.
If they select 'Save Quote' or 'Buy Now' then they are first taken to the declarations page.
Save Quote > Declarations > Policies Page
Buy Now > Declarations > Payment Screen