1. NetSuite Help Center, SuiteAnswers: Setting Up Item Pricing (Answer ID: 10091). This document outlines various pricing methods. The section on "Customer-Specific Pricing" states: "You can set up prices for items that are specific to individual customers. On the customer's record, click the Financial subtab, and then click the Item Pricing subtab. Here you can select an item and enter a custom price for that customer." This directly confirms that the "Item Pricing" subtab is the location for this feature.
2. NetSuite Help Center, SuiteAnswers: Customer Specific Pricing (Answer ID: 39531). This guide provides a step-by-step process: "Navigate to the Customer record... Click the Financial subtab > Item Pricing subtab. In the Item column, select the item... In the Price column, enter the custom price for this item that applies only to this customer." This explicitly links the functionality to the "Item Pricing" subtab on the customer record.
3. NetSuite Help Center, SuiteAnswers: Using Pricing Groups (Answer ID: 10093). This document clarifies that "Pricing groups let you assign a customer-specific price level for a group of items." This distinguishes it from setting a specific price for a single item, as described in the question.