Farming is not universal. We all have different soil, different moisture levels, different previous crop and different new crop to seed.
Different weed types to control, different budgets, different types of machinery sitting around.
Here I would plow in the fall, throw the disk away and get a nice field cultivator to smooth the dirt and prepare a seedbed in spring. We have too much clay to use a disk very much. Too wet. Winter is too long to try to get everything done in spring, our summers are too short.
Where you are maybe just disking twice will work.
There are 100 different variables. 100different ways of doing it too, and probably 63 of them will give you good results.
Typically one would plow first, then disk a few times over a couple week period to get a good seedbed.
This could be terrible tho if you have a tall matted mess of old hay/ weeds to start wil, and or wet clay soils.....
What do the neighbors do? Follow what they do in your own back yard.