When preparing for a newborn, focus on essential items like clothing, diapers, feeding supplies, and sleeping arrangements. Ensure you have a car seat for transportation, basic health and safety tools like a thermometer, and comfort items like pacifiers and soft toys. These basics will help you feel more prepared for your baby’s arrival.
This is all I got from ChatGPT (https://chatgpt-japanese.jp/).
Feel free to share more tips.