Cooking oil is almost impossible to store long term and as a necessary source of fatty acids in our diets is something that ya need to have.

I beta tested my Piteba oil press last night with great results. I made flaxseed oil (aka linseed oil) to season some cast iron with but you can press any oil bearing seed or nut and even dried avocado and coconut pieces to get those for use as cooking oils.

Fwiw, you need a sturdy table as some force is required when turning the crank at times.

I squeezed 3 tblsp of flax seeds for about 5-10 ml of oil in about 10 minutes time after preheat.