QB Issue Resolution:

Check with your accountant.

Generally, if one business then one file. If 2 businesses then 2 files.

Resolution for Issue 'i drive for uber and for lyft…. do i need a separate QB acct for each of them or can i use one acct for both?' available: Yes (Solved).
Source: Intuit Community forum.

i drive for uber and for lyft…. do i need a separate QB acct for each of them or can i use one acct for both?: 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 2 files
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Error Recovery for 2 files [Canada]
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