Categories for Products and Services - Group
It would be very helpful to have categories for products and services. Since the list is purely alphabetical, it can be difficult to pull up and item when generating an estimate when you have a large item list. It would be nice to beable to group them together by type.

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Sam Stazinski commented
Add a "trade" or "category" folder to the product list so that products can be organized by "roof", "repair", "masonry", "insulation", etc. This would help with searching for products and making the product list more manageable.