QB Issue Resolution:

Buying items and incurring expenses are the same thing. The issue is, Job Tracking = assigning the Customer:Job name to the details on the purchase transactions and marking it as Billable back to the client, or not billable because you might be working under a Bid or Fixed Fee agreement.

Beyond this, we need a few more details of what you are asking about.

Resolution for Issue 'i buy items frm my vendrs for a specific project then also do expnses for that project. M unable to hv project cost at same place. I individually calculate exp n vndors.' available: Yes (Solved).
Source: Intuit Community forum.

i buy items frm my vendrs for a specific project then also do expnses for that project. M unable to hv project cost at same place. I individually calculate exp n vndors.: 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.

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