There are when people ran into obstacles uploading or eagerly uploaded more than one test, not realizing it would fill the lists without adding significant value. One human body is expected to have the same match list, regardless of which company performs the test. If people want to have more than one list uploaded, it is recommended that one be marked for Research Only.
These pages are a work in progress. I'm learning to insert images.
Until I get the pages re-constructed, please open the PDF format in the link. Gedmatch Steps to address duplicate kit issues