Meaning of the word "(up) for sale" in English

What does "(up) for sale" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

(up) for sale

US /fɔːr seɪl/
UK /ʌp fɔː seɪl/
"(up) for sale" picture

Phrase

available to be bought

Example:
The old house next door is for sale.
Is this car still for sale?