A key benefit of SIM is the ability to update various aspects of item data in bulk, drawing upon the supplier information stored in the SIM database.
You can use a number of wizards to ensure that your data is up-to-date and accurate. The articles linked below describe this functionality.
Updating supplier cost prices
Keep your cost prices accurate:
Updating the MSRP and Price of items
Ensure you are selling products at the correct price:
Adding supplier barcodes
Populate missing aliases using the SIM Item Update Wizard:
Marking items as obsolete
Keep your database easier to use by deactivating items that are no longer available from the supplier: