Have some savings in case of emergency. A few thousand at least.
Work out a budget. What you earn, minus your bills + 10%, is the money you have for fun. The 10% helps prevent bill shock. Personally, I record the amount of the last four bills and average them then add the 10%. Seems to work.
Inherit or buy quality cookware and learn how to cook. Quality isn’t necessarily expensive. And good cooking is cheaper and healthier than anything else. At the start doing meal prep recipes to cover a week would be good.
Some Australian stuff in the 90s was… Interesting https://youtu.be/CkpP8ElRfYk?si=Xz3-x6tjrv-pOI4P
https://youtu.be/NCA7--Qcp78?si=GQYCKcOqkDvUUC1Y