Meaning of the word "the shoemaker's son always goes barefoot" in English

What does "the shoemaker's son always goes barefoot" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the shoemaker's son always goes barefoot

US /ðə ˈʃuːˌmeɪkərz sʌn ˈɔːlweɪz ɡoʊz ˈberfʊt/
UK /ðə ˈʃuːˌmeɪkəz sʌn ˈɔːlweɪz ɡəʊz ˈbeəfʊt/
"the shoemaker's son always goes barefoot" picture

Idiom

used to say that people often neglect the very things they are most skilled at or provide for others, especially within their own families

Example:
The IT consultant's own computer is broken; the shoemaker's son always goes barefoot.
She fixes everyone's plumbing but her own sink is leaking; the shoemaker's son always goes barefoot.