To create a new quote estimation process that involves multiple steps and a variable number of rows of data, the consultant should recommend the following OmniScript elements:
Edit Block: This is an element that allows the user to add, edit, or delete multiple rows of data in a table-like format. It can be used to capture the service category, number of hours, and hourly rate for each row.
Formula: This is an element that allows the user to perform calculations on data using mathematical expressions. It can be used to calculate the total for each row by multiplying the number of hours with the hourly rate.
Input Block: This is an element that allows the user to enter data using various input types, such as text, number, date, picklist, etc. It can be used to display the formula result for each row and the final price for the quote.
The elements that are not suitable for this scenario are:
Multi-select: This is an element that allows the user to select multiple options from a list. It is not relevant for this scenario, as the user needs to enter data in each row, not select from predefined options.
Step: This is an element that organizes the OmniScript into one or more pages. It is not relevant for this scenario, as it does not capture or display any data.

The OmniScript elements that the consultant should recommend to meet these requirements are: Radio Group, DataRaptor Post Action, and Email Action. A Radio Group element is an element that can display a list of options for the user to choose from, such as customer satisfaction rating. A Radio Group element allows only one option to be selected at a time, and can also have icons for each option. A DataRaptor Post Action is an action that can write data to a Salesforce object or invoke a Salesforce API. The consultant can use a DataRaptor Post Action to create a case for an account team member to follow up. An Email Action is an action that can send an email to one or more recipients, with optional attachments and templates. The consultant can use an Email Action to email a summary message to the user

The two FlexCard features that the consultant should recommend to address this issue are Flyout and Block elements. A Flyout is a pop-up window that can display additional information or actions for a FlexCard. The consultant can use a Flyout to show more details or options for each product without cluttering the main FlexCard. A Block element is a container that can group related fields and elements in a FlexCard. The consultant can use a Block element with the Collapse property enabled to allow the user to expand or collapse a section of the FlexCard, such as specific fields or actions

Explanation
When designing OmniScripts, the best practices that should be followed to increase user adoption are:
* Prefill data for users when possible (This reduces user effort and improves data quality)
* Divide complex processes into sections (This makes the script more manageable and user-friendly)
* Provide user help text (This guides the user through the script and clarifies any doubts) The best practices that should not be followed to increase user adoption are:
* Replicate existing processes as-is (This may not leverage the full potential of OmniStudio and may not address the pain points of the users)
* Provide keystroke commands for data entry (This may not be intuitive or accessible for all users and may require additional training)