If you are fairly new to quilting you might be more select for a while until you really get a sense of what you really like. Your taste may change over time. Mine did and I have a lot of stash I am donating. I also found I bought some fabric was just hard to work with in a given project.
I do a lot of scrapy so if I do see a fabric I really love I will buy more than 1 yard. I learned the hard way that some fabric you have a hard time finding again.
The other consideration is whether you are close to a Quilt Store or a fabric store.
Good Luck!