From FFF-375 kovarex says:
With this straightforward approach, if you want to produce items of legendary quality, and you already have enough legendary quality 3 modules (which is not an easy thing to get in the first place), the legendary items are 56 times more expensive than normal items
So yeah, quality is quite expensive, and it’s definitely a trap trying to go for epic/legendary for many items.
Honestly, the most important thing to actually make legendary is quality/prod modules. So you can make space ships that harvest astroids, and reprocessing them into legendary astroid.
And that way you have pretty much trivialized getting legendary ores!
I have 3 glassbottles in my fridge, that I use for filling up my water bottle I carry around. I have a pixel 8 pro with a thermometer. And I use it to check which bottle have the coldest water if Iam I doubt.