If it is possible for you to try the bedding for some time, it will be better. This way, you will know the comfort level that you will feel with it. Try to ask the seller if you can get a sampler of it so that you can bring it home.
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.