In addition to setting the standard price, what must you also do in order to add a Product to a Custom Price Book?

Universal Containers' support team needs to track service level agreements for customers. Today, they manually look up contracts by name when a customer calls.
How should an administrator automate this process?

Position and job opening is a Master Detail relationship. OWD for Position is Private. Someone else wants to edit Job Openings. How to do it.

An Administrator is preparing to deploy change set into the production environment. Until the deployment is complete, only user with System Administrator profile should be allowed to access data in the production system. When any other user attempts to log in, a maintenance notice should be displayed instead. How can administrator meet this requirement?

A sales manager would like access to the following:
All closed/won opportunities in the last six months for each account the manager owns.
All cases created within the last six months for each account the manager owns.
What can the administrator create to meet these requirements ?