Welcome, mate!
Wish you good luck with your series, if you ever encounter trouble or need advice and criticism, just post in the writing workshop/advanced editor forums.
On a side note,
if you decide to put out a exerpt or portion of your story, expect honest, and sometimes brutal criticism. Just know that the way to learn is to absorb the opinions and view of others, then growing on it.
See you around :)
EDIT: About the series, it's perfectly fine to do a series of stories(see Homo Perfectus for example), but just make sure you're not posting demos and incomplete fragments, as those will get taken down quickly.