Do homoeopathic remedies have a "best before" date? If you wanted to given them "best before" dates, how would you measure when the non-existent potency starts

Do homoeopathic remedies have a "best before" date? If you wanted to given them "best before" dates, how would you measure when the non-existent potency starts to disappear? The next time anyone offers a homoeopathic drug, ask them how long the medication is good for. There is no sensible answer to that question, because homoeopathy is gibberish.