If the moderators feel this post is better in Families, feel free to move it.
This is simple and intuitive enough that I am a bit embarrassed that I did not think of this when I first started creating the hundreds of Type Catalogs in our system. Hopefully, this tip/trick will save time and effort and reduce complexity for those like me who occasionally miss the obvious.
It is not necessary to include all parameters (Shared, Type or Instance, System or Other) in the Type Catalog even if they flex and the intent is to allow teams to create other types in their own projects. I have started including only the parameters that change the types we create in advance.
Example: Our Door Families with Hollow Metal Frames have a flexible frame width that is set at 2" by default. For the occasional projects where a client will spend the extra $$ for aluminum frames at 1 1/2", teams can make the global change in their project. Since our precreated Types do not include 1 1/2" aluminum versions (lest staff be forced to search through hundreds of types), I have omitted this parameter from the Type Catalog.
Type Catalogs are easier to create in Excel, staff can read all the parameters without making the window large and there is less sorting to do. The added benefit (using the same door family example) is that if you make a Family and Type Catalog for door F (Flush) then use SavesAs to create a new Family FG (for Full Glass), you can use exactly the same Type Catalog by copying and renaming in an explorer window.
The attached clip is a before and after image.