Thank you all for your tips, hopefully, this will help me to get started.
As mentioned above the benefits for working in an aquatics place is I get to see all the tanks they have in store and get some good discount on them, which is a bonus as I have seen the prices on them and they are not...
So I starter working at a company fish store which are based near where I live, and anyway before I started I had no interest in fish or set ups. After about 3 weeks I am slowly catching the bug, and just thought I would as you pros where should I start?