In the second part of his series, Hector Garcia focuses on using excel to manually export reports and "copy/paste" them to combine them. Even with QuickBooks Enterprise's built-in function, some people like the control of using this technique.
And, as Garcia, the QuickBooks Trainer for Quick Bookkeeping & Accounting, says, if you are using QuickBooks Pro, Premier and/or Accountant, you have no other choice but to use this technique, until you upgrade to QuickBooks Enterprise.
Read his "Firm of the Future" story here.