The quality of the beddings must be considered highly. This is to ensure that you are buying something that will last for a long time. It is indeed true that the those with high quality will also cost more but you have to realize that in the long run, you will be able to save a lot if you will buy quality beddings. These are not prone to tearing. Look at the thread count and feel the softness of the bedding.
When buying a bed for your little girl, we should think about the time for which the bed is to be used. How long you will need your girl to use that bed. If you want the bed to last till she turns 6 or 7 year old, then you can opt for small sized toddler beds.