I started on 2nd trim onwards. Have 6-7 months to prepare so still np
Big items you can start searching now.
eg ; cot , stroller , car seats , milk pump etc
Baby clothings you can buy at later stage. Eg ; After know your baby gender or early 3rd trim. Just need time for washing and packing
Carrier you can buy at 3rd trim or after birth, depends after confinement will you go out as often?
Pampers , milk bottles , teats , eg you can buy at 2nd or 3rd trim to stock up also ok.
Queen of 1 adventurous magician