Pre-folds usually require the pre-fold absorbency inserts and the outer waterproof shell. You can add extra absorbency, like at nap time, by adding another prefold. You can also fold the prefold different ways depending on what your baby is comfortab...
These diapers come with the waterproof shell and you stuff the absorbency insert in a pocket inside the cloth diaper. This is typically most popular because they are easier to clean and strip
Hassle free, no stuffing or folding or clipping or pre-stuffing, just use it like a normal disposable diaper.
This system uses a waterproof cover and a fitted insert to absorb. You can use the covers for multiple changes and just swap out the fitted insert
Newborn diapers are smaller so they are best to get their own diapers then sell your stash after your baby has outgrown them.