Price Rules is currently available in Plus plan only. It’s not available in Essentials and Simple Start plans. Customer type is linked to price rules feature at this time.
Using pricing level you can establish different price points for Customer, more helpful for inventory items. But with customer type, you can filter the sales report which is probably helpful data to all the users
How to set up and use special pricing for selected or all customers in QuickBooks Online?
1. Setup New Customer Type (Dashboard > Sales > Customers > Customer types > New Customer type).
2. Turn on Price Rules (Gear > Your Company > Account and Settings > Sales > Products and Services > Turn on Price Rules).
3. Setup New Price Rules (Gear > Lists > Products and Services > Drop-down arrow under MORE > Price Rules).
4. Create Invoice or Sales Receipt (Create + sign > Customers) > Select (or use default) Price Rules under Rate column.
Educational and Instructional Video:
QuickBooks Online QBO Price Rules (aka Price Levels) – Special pricing for selected or all customers