How can an Admin prevent users from reconfiguring a specific bundle after initial configuration?

Universal Containers (UC) offers the same services for consumption in different parts of the country, but at different prices. UC has configured this without cloning bundles or pricebooks.
A single quote can contain products for consumption anywhere in the country.
A custom object has been created to maintain a Price Multiplier per product per geographic are
a. The quote document should display the List Price of the appropriate geographic area.
How should the CPQ specialist complete the configuration?

Universal Containers (UC) sells containers in three sizes. The Admin has created a bundle product for the container with Product Options for different size lids. The Admin has also created a Configuration Attribute called Container Size with three different values. When a user selects a particular size container in the Configuration Attribute, only the lid for that size container should be available for selection. An Admin has created a lookup table to capture which Product Options are valid for each container size.
Which steps should the Admin take using a Product Rule to ensure only the lids of the correct size are sold with each container?

Universal Containers (UC) defines a Warranty Period in a field on its Products and wants to ensure that this Warranty Period is correctly stored on the Asset record. A twin field has been created on the Asset record. UC contracts from the Order.
When leveraging the twin field functionality to pass this information to the Asset record, on which object should the admin create a twin field'

Universal Containers wants to apply an additional discount of 15% to the Quote when Payment Frequency is Monthly or Bi-Weekly and Product A is added or User Count greater than 25 is defined. What is the correct Price Rule Setup?