Here are a few simple reasons:
Assigning appointments to the wrong bay... The T1 technician will naturally perform better simply because he is the default technician.
Solution: Create a default bay and name it to "Assign to". For each bay, select "Warn at invoicing".
Solution: : From the "Type of bay", select "Block from invoicing", on the "not assigned bay"
You are not using the calendar... The statistics are directly related to your calendar.
You did not put a cost price in your bays (see bay management). Since all employees do not make the same salary, this configuration must be set.
You have not closed invoices and/or haven't done an End Of Day. The sales statistics are transferred 24 hours an End Of Day is performed.
Start validating employee timesheets on a daily basis. Make sure to validate the employee punches before closing the day. Any changes made after closing will not be retransferred into the performance statistics.
You deleted an estimate that a technician has done work on.
Solution: Make sure you have an internal job code "Good Will" configured in inventory.
In the punch clock, the technician clicked on "Stop" when a job was completed. That "Stop" button is for stopping their pay.
Solution: They must click on an inside job to stop a job by punching on it.
The technicians forget to close their day by clicking on the "Stop" button before they leave.
Leaving big jobs that aren't closed by the end of the month ( ex a 200 hours job not completed )
Solution: create a kit with multiple job to planed and reschedule on a diffrent estimate, then close the current invoice. Also good for cash flow!