Avocado oil might technically be the best, but it’s also 5 times more expensive than peanut or vegetable oil. I use peanut as well and think it’s good enough.
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If I normally used avocado oil I would use it for seasoning, but it is not something I would go out and purchase just for seasoning.
Same, I also use peanut oil. It's inexpensive and works great.
I too use peanut oil for cooking nearly everything. So cheap.
I've never tried avocado oil, but Flaxseed Oil used to be all the rage. It made a beautiful seasoning that chipped off within a year. I'm more of a Crisco type person.
Yeah, Crisco’s good too. We bought some for baking and I tried it once. Worked just as well as peanut oil.
Team Crisco!!! If it was good enough for Grandma, it’s good enough for me!! Also it’s Grandma’s pan so she started it.
Avocado oil, in America at least, can't really be trusted. Usually has lots of impurities is rancid and often times contains other oils. 2020 study from UC Davis
Edit, I use peanut or "vegetable" oil. Really anything with a high smoke point will do the job.