We have 4 small children and only 1 closet and 1 chest of drawers for them to share. This means that periodically, I purge. I purge those clothing items that are redundant (two pairs of hole-y jeans that Jenna has yet to wear because she has 3 other pairs) and items that are out of season (footed fleece PJs) and items that don't fit (that cute pink shirt Jenna has only worn once :( ). If I only have 3 pairs of PJs for each kid, then I have to do laundry more often and it's less overwhelming.
I am, however, having a hard time purging Korynne's summer dresses because they are just too cute. She has enough to wear a different sun dress every Sunday for the rest of the year (okay... the next 8 weeks at least). And since I can't bear to get rid of them, maybe I can let her wear them more often.