Jack-up Drilling Rigs (3)

Who is responsible for providing drill pipe on a rig? What is the normal practice? I have typically seen this the rig contractor provide the drill pipe however was wondering what the norm is when a higher spec pipe is required for a new/one-off well?

With current changes worldwide how high the demand to vessels would stand considering the Switch to remote and digital operations? Is it worth to invest or scrap the existing fleet. If there is still a demand, which region would be most interesting in short to mid term future?

What is the cost to reactivate a cold stacked jack-up rig? What are the steps involved?