LOCAL CA. business idea (help?)

Working on starting a small business in the rancho/chino/brea area..... Servicing aquariums, set up, moving stuff like that....

Anyone around me do this? Or know someone? I would like to know if there are a lot of people doing this around me cuz I'm not seeing much... A would also like to get maybe tips and advice for people in my area... If you are doing this service in my area, then... You don't have to help me as i understand the conflict of interest we'd have, haha. thanks thou...