Probable cause is the bar for arrest. If they have probable cause, you're getting arrested.

Yes, but without evidence you aren’t going to jail, and if you do you can sue for wrongful arrest.

> Yes, but without evidence you aren’t going to jail, and if you do you can sue for wrongful arrest.

You can sue anyone, anytime, for anything, but even if charges aren't filed or a court dismisses them at the preliminary hearing stage for lack of sufficient evidence, wrongful arrest suits against police are very difficult.

Do you mean "suspected of committing a crime"? "Probable cause" relates to searching or entering private property.

> Do you mean "suspected of committing a crime"?

No, mere suspicion is not sufficient for arrest.

> "Probable cause" relates to searching or entering private property.

It also relates to arrest. The Fourth Amendment provision applying the standard explicitly applies to searches and seizures of persons, houses, and effects. Arrest is seizure of one’s person.

Yes, but probably cause isn’t some binary.

A drug dog’s indications provide probable cause for searching your car, but are not enough to arrest you.

No.

> Probably cause just means they can search your car. Not that you are going to jail.

Probable cause (of slightly different things; the threshold is the same but the subject is different) is the bar for both search and arrest.