You shouldn't have to throw these away throughout the duration of your baby's time in diapers. I've heard of moms having BumGenius diapers last them through three babies, approximately six years! I love using these for my baby. They hold up well and they are one size, meaning they grow with your baby. You can also resell these once you're done with diapering and baby is pottytrained. BumGenius diapers have an amazing resell value when kept in good condition.