A default sales price means you can make an item sold to a customer as its default sales price. There are up to 6 prices you can set to an item. If you need you know how to ser price for an item, please search with “How to modify item’s price and barcode” .
Go to “system” and click “customer information setup”.
Select the customer you need and click “edit”.
Select a price in “default sales price”.
Then all items can be sold to this customer as the default price you choose.
Tips: if you default sales price is set to be a price selection which doesn’t exist for some items, then these item will be sold as 0 and you need to change the price when saleing them.