I really love Unfuck Your Habitat. Not just the book - although that I would recommend and was very helpful for getting better at having less anxiety about not being able to clean everything due to being ill - but the FB group too for asking for advice.

Got a neat suggestion over there for using different coloured cloth bags as a flexible way to organise different foods in a chest freezer. Hoping to find some cheap but largeish bags of various colours in town later in the week to have a go at that. Would be nice to actually be sure where roughly stuff is in that cavernous hole of a freezer.