WooCommerce Category Clean-up -- 2

I need help organizing my WooCommerce categories. This involves removing duplicates and making sure all products are assigned to the correct categories, with the main category correctly reassigned.

Requirements:
- Manual review to identify duplicate categories
- Reorganize more than 100 product categories
- Ensure all products are categorized correctly

Ideal skills:
- Experience with WooCommerce
- Attention to detail
- Ability to organize and manage large data sets

Please provide your best estimate and any relevant experience.