Here's my checklist:
Quilting Stuff
Batting for design wall
Bobbins
Chair and/or Cushion
Cutting Mat
Extension Cord
Extra Needles
Light
Marking Pen
Pen & paper
Pigma Pen
Pincushion
Rotary Blades
Rotary Cutter
Rulers
Scissors, fabric
Scissors, paper
Screw Driver
Seam Ripper
Sewing Machine
Sewing Machine cord and foot pedal, instruction book
Sewing Machine feet
Snips
Stilletto
Thread
Projects
Medical info just in case
Camera & batteries
Tablet/iPad & charger
Cell phone & charger
Tissues
Snack to share