1. Food and Water Bowls: Invest in sturdy, non-slip bowls that are the appropriate size for your dog. Stainless steel or ceramic bowls are recommended as they are easy to clean and don't hold odors.
2. High-Quality Dog Food: Choose a nutritionally balanced dog food that suits your dog's age, size, and specific dietary needs. Look for options that list real meat as the first ingredient and avoid foods with fillers or artificial additives.
3. Collar and Leash: A well-fitting collar with identification tags is essential for your dog's safety. Opt for a durable leash made of nylon or leather for walks and outdoor activities.
4. Comfortable Bed: Provide your dog with a cozy bed that offers support and insulation. There are various options available, such as orthopedic beds for older dogs or self-warming beds for colder climates.
5. Crate or Kennel: A crate can be a safe space for your dog and aid in house training. Choose a crate that is large enough for your dog to stand, turn around, and lie down comfortably.
6. Toys: Dogs need mental and physical stimulation. Include a variety of toys like chew toys, interactive puzzles, and balls to keep your dog entertained and prevent boredom.
7. Grooming Supplies: Depending on your dog's breed, you may need brushes, combs, nail clippers, and shampoo. Regular grooming helps maintain your dog's coat and overall hygiene.
8. Training Treats: Treats are useful for positive reinforcement during training sessions. Look for small, soft treats that are easy for your dog to chew and won't distract from the training process.
9. Poop Bags: Responsible dog ownership includes cleaning up after your dog during walks. Keep a supply of biodegradable poop bags handy for easy disposal.
10. First Aid Kit: Accidents happen, so it's important to have a first aid kit specifically designed for dogs. Include items like bandages, antiseptic solution, tweezers, and a pet thermometer.

Remember, this checklist is not exhaustive, but it covers the essential items to help you get started with your new dog. Adapt the list based on your dog's specific needs and consult with a veterinarian for personalized recommendations.

References:

• American Kennel Club
• ASPCA
• PetMD