We've never had a washing-up machine, because we always used to chat during the aftermath of lunch or dinner, and finish/start a new bottle of wine...
So, Life Hack Number One...
When you have a squeezy bottle of washing-up liquid, just wait a few days, then squeeze it, stick the top into clean hot water (before the washing-up), and release the bottle!
Result - many weeks of the same stuff if you do it regularly, but after a few years, the dosh mounts up...
Here is the place for all our life hacks, and I bet there are far too many to shake a stick at...
Off you go!