You can get these Faded Glory Little Girls 2 Piece Tunic and Legging Set for just $6 from Walmart. That meakes each piece just $3. Shipping adds 97 cents or pick them up in store to save on shipping. This is available in sizes 4-8.
Also available: Garanimals Baby Girls’ 3-Piece Tee’s and Legging Set in sizes 12 months to 5T.