Shredded BBQ Beef or Pork Sandwich

1/2 lb Cubed Beef (roast, stew meat, London broil)1 Bottle of your favorite BBQ SauceWaterPray crock pot with cooking pray. Put beef and 1/2 the bottle of BBQ sauce then add enough water to cover Beef Cubes. Cook on High for 4-6 hours. Stir beef (may need to help shred beef) Add the rest of the BBQ sauce 1 hour before serving.