一銭を笑う者は一銭に泣く

Reading
いっせんをわらうものはいっせんになく
English
Waste not, want not
Notes
A person者 who scoffs笑 at the value of one一 coin銭 will end up crying泣 when they find themselves one一 coin銭 short
Origin
産業・経済
proverbsKotoKen 3