fish buying

I have a few questions regarding betta care, breeding, and purchasing. Betta care: - How often should I clean my betta's tank? - Can a marimo moss ball be in my current betta's tank? - What divided tanks do you recommend the most? Breeding: I am not planning on breeding anytime soon, I just...

Another random one from me I'm afraid but where does everyone buy their fish and plants ? Do you go through your LFS or on the internet ? I understand that if it's something unusual it might be easier to go straight online and 'cut out the middle man' but does anyone have any experience if...