Chihuahua

1. Research: Do your research about the breed you're interested in, its characteristics, needs, and potential health issues. This will help you make an informed decision about whether the dog is a good fit for your lifestyle.

2. Meet in person: Always meet the dog and the seller in person. This allows you to assess the dog's behavior, health, and temperament. It also gives you a chance to gauge the seller's credibility.

3. Visit the premises: If possible, visit the seller's home or the location where the dog is being kept. This will give you a sense of the dog's living conditions and the environment it's been raised in.

4. Ask questions: Prepare a list of questions to ask the seller about the dog's history, health records, vaccination status, socialization, training, and any behavioral issues. A responsible seller should be open and honest about these aspects.

5. Health check: Have a veterinarian conduct a thorough health check on the dog before finalizing the purchase. This can help identify any existing health issues and give you a clear picture of the dog's overall condition.

6. Request documentation: Ask for any available documentation related to the dog, including health records, vaccination records, microchip information, and any certifications from breed clubs or organizations.

7. Watch for red flags: Be cautious if the seller seems reluctant to answer your questions, avoids giving you information, or pressures you to make a quick decision. These could be signs of a potential issue.

8. Check for legal requirements: Make sure you understand the legal requirements for dog ownership in your area. This might include licensing, microchipping, vaccinations, and spaying/neutering.

9. Pay securely: When making the payment, opt for secure methods such as cash, cashier's check, or electronic transfer. Avoid sending money in advance or using unconventional payment methods.

10. Trust your instincts: If something doesn't feel right or you're uncertain about the situation, it's okay to walk away. Your gut feeling is often a reliable indicator.