Here are some tips on how to prepare for the GPAT at home: 1. Set a study schedule and stick to it. 2. Create a study space that is quiet and free from distractions. 3. Review the GPAT syllabus and list the topics you need to cover. 4. Use a variety of study materials, such as textbooks, review books and practice exams. 5. Take practice exams regularly to assess your progress. 6. Get enough sleep and eat healthy foods to stay energized. 7. Manage your time effectively during the exam.