QB Issue Resolution:

No it is not

QBO does not do multiple locations or bin numbers and unlike desktop, QBO does not allow for an inventory item custom field that could be used for a bin number

Resolution for Issue 'Is it possible to add a location to your inventory item? (This way it would be easier to sort when taking physical stock count)' available: Yes (Solved).
Source: Intuit Community forum.

Is it possible to add a location to your inventory item? (This way it would be easier to sort when taking physical stock count): this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for custom field
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Error Recovery for custom field [Canada]
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