How do you choose category for the next project? Tips and tricks.

Each author at least once made a decision about choosing a category for the next project. This choice is not simple, however, given the competition of multipurpose themes and the influence of ADPs. Therefore, I would like to share top 30 categories that based on 7 days of sales. Perhaps this will be useful for you to find your niche.
all data presented by
Categories sorted by average sales
Categories sorted by average price. Please note that some authors estimate their product incorrectly (for example, $ 1,000,000 and Envato for some reason allows it) so that why some prices do not look plausible
Categories sorted by number of items.
Categories sorted by total sales.