Which type of custom field can be created within Pardot?

A project is on day 3 of a step with a designated wait time of 5 days. The engagement studio program is then paused for 1 day and restarted.
If the wait time for the step remain at 5 days, what day of the designated 5 days of wait time would the prospect be on when the program is restarted?

A marketing user wants to send out an email to a list of prospects on behalf of their assigned sales users. Any prospect replies should be directed to [email protected] so their team of business development reps can field questions and schedule follow up demos.
How should this be accomplished?

The VP of Marketing wants to see all automation rules and engagement studio programs that a prospect has been a member of. Where should the VP of Marketing look to find this information?

What is the process to add a prospect who visits a pricing page to a list?