[FalconSensei]

Then you add cooking, laundry, dishes, cleaning the house, taking care of kids if they have...

[thesuitonym]

Sounds a lot like the McDonalds budget that forgot to mention things like eating, heat, and commuting to work.

[Broken_Hippo]

And not to mention that some factory work is fairly draining, and you might not have energy to do anything you'd like to do.

[tuatoru]

And personal fitness.

And (mainly for women, sadly) the emotional labour of communicating with relatives and with friends. Social media have increased the burden here massively.