My husband and I have this low-grade, on-going joke. e.g.
'Why are you doing that?'
'Because it's economical.'
Always a good excuse for whatever I'm up to!
Anyhow, this is why I've cut my slim plastic tube of eye cream into three short lengths. I mean, have you any idea how much stuff is left in those plastic tubes after you've squeezed your fingers up to the nozzle till they ache? I can tell you I've gotten an extra two-weeks worth out of my eye cream. That's quite a considerable amount.
Luckily I don't have this problem with toothpaste, as we always use the Weleda brand which goes the old-fashioned (and healthier!) way. And maybe I'll think twice in future about buying anything that's packaged in a plastic tube.