I made a video on how to make a budget - https://www.youtube.com/watch?v=fmV2sPDdmxI
This first video focuses on picking the categories for your budget. Spoiler alert - you can pick however many categories as you want. There will be more videos to spell out the rest of the budget.
These are the categories I made for my budget -
Hopefully the video can help you make a budget.