pull up stakes

(idiomatic) To prepare to move one’s (usually temporary) habitation, especially rapidly.

Example: They just pulled up stakes and left.
2006 November 30, Paul Solotaroff, “Can Nate Ybanez Ever Be FORGIVEN?”, Rolling Stone, page 84-128:
  From the start of their strange and embattled marriage, they established a pattern of suddenly pulling up stakes with little notice to family members or neighbors.