You have it right that COGS is for only what is sold, but your error, I feel, is in expending your purchases up front as COGS. You should enter your purchases as inventory priced in convenient units you use. Then when removed from inventory it becomes COGS.

Say you purchase a […]

Resolution for 'convenient numbers issue: 'How do you distribute bulk material purchases ( COGS ) over the sales you make each month? Ex: 1/1/16 used cc to buy $10K materials, but have only used $5k for sales.' available: Yes.

The convenient numbers issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the convenient numbers issue yourself by looking for a resolution described in the article. If it is a complex convenient numbers issue or you are unable to solve the issue, you may contact us by clicking here or by using other convenient numbers support options.

For more information about resolving issues related to convenient numbers in Quickbooks/QBO or to get support for the issue 'How do you distribute bulk material purchases ( COGS ) over the sales you make each month? Ex: 1/1/16 used cc to buy $10K materials, but have only used $5k for sales.', click the link below: