Re: tax sale
There is ALWAYS context. Even if someone walks up to you on a street, says something and walks away, the context is "A random person said this to me on the street without any prior conversation."
What does M-W say it means? What sentence does M-W provide?
You're already looked it up. It's not fair to ask us to do that too. Just copy in the text you see there.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.