World's Best Carolina Pulled Pork

Name: World's Best Carolina Pulled Pork
Prep time: 24 h
Cook time: 14 h
Total time: 38 h
Cuisine: American
Ingredients: 5-8 Pound Pork Butt (bone in and fat pad on top); 1 Tablespoon Onion Powder; 1 Tablespoon Smoked Paprika (heaping); 1 Tablespoon Garlic Powder; 1 Tablespoon Chili Powder; 1 ½ Tablespoon Kosher Salt; 1 Tablespoon Pepper; 2 teaspoons Cayenne Powder; 2 teaspoons Dry Mustard; 1 Tablespoon Cumin; 1/2 Cup Dark Brown Sugar; 4 Cups Water; 4 Cups Apple Cider; 1/2 Cup Kosher Salt; 3 Tablespoons Dry Rub (heaping); 1 Pinch Red Pepper Flakes; 2 Bay Leaves; 1/2 Cup Apple Cider Vinegar; 1/2 Cup White Vinegar; 1/4 Cup Brown Sugar (up to 1/3 Cup ); 1/2 teaspoon Chili Powder; 2 Pinches Red Pepper Flakes; Salt (to taste)