What is "pitch and pay"

Pitch \Pitch\, v. i.

1. To fix or place a tent or temporary habitation; to encamp. ``Laban with his brethren pitched in the Mount of Gilead.''
   --Gen. xxxi. 25.

2. To light; to settle; to come to rest from flight.

   The tree whereon they [the bees] pitch.
   --Mortimer.

3. To fix one's choise; -- with on or upon.

   Pitch upon the best course of life, and custom will render it the more easy.
   --Tillotson.

4. To plunge or fall; esp., to fall forward; to decline or slope; as, to pitch from a precipice; the vessel pitches in a heavy sea; the field pitches toward the east.

   Pitch and pay, an old aphorism which inculcates ready-money payment, or payment on delivery of goods.
   --Shak.