Is it safe to buy baby product from shopee or taobao to save cost?

There are many things that are okay to buy preloved and there are many good preloved baby goods group on Facebook: Things I bought preloved 1. Stroller 2. Carrier 3. Cot 4. Rocking chair 5. All furniture for baby’s room 6. All of babies clothes 7. All baby toys 8. All baby books 9. Baby shower tub 10. Steriliser Things I bought new 1. Breast pump 2. Pacifier 3. Skin care (baby wash) 4. Baby bottles 5. Car seat with infant insert