"Slurp's Orifice has compatibility problems between version"
Which ones? Actually unless you're using very old versions, there are no compatibility issues - I've worked with various version from 2007 to 2016 without issues.
While complex documents may not open and work correctly in LibreOffice, sorry. If you don't care about compatibility LibreOffice is perfectly fine for home users.
Users that may need to work with Office documents from work may not be that lucky, and the last thing you want is to fight against compatibility issues in both directions, especially when you have no time for it.