Well, I've only read the first page, and it does not list your DD's age, but I have to say that if you had sons, ou would be complaining that boy's clothes are hard to find and fit, and girl's clothes are so much easier.
I do shop and purchase for my 4 year old grandaughter fairly regularly, and do not have a problem finding clothes for her. Yes, there are some that are too much (and some combinations that are too much), but there are shorts of various lengths as well as capri pants. Most of the skirts seem to have shorts built in. If you do find skirts without built-in shorts, and they are too short, get the size that has the correct length, then mark and sew new side seams and cut off the excess (once you verify that they fit).