There are a lot of courses for this at Creative Live. For a small monthly fee, you can choose from thousands of classes.

Choose your area of expertise then start with a portfolio of your very best work. Target your market and start networking. Make sure everyone you meet knows what you do and gets a business card.

Step one, get a diploma in basic business practice. Step two get an accountant. Step three advertise your : insert photographic specialty: to everyone.

Having a website being registered with your country tax and business registration, be on google my business then online marketing having a proper booking form, cancel/refund policy, managing booking and clients, building connection locally with school kindergarten music association or any local association. Also being very specialised is in my opinion a must but other might have different view about this… consider not making any money for the first few years being a reality also you will be competing against many others like yourself and sometime against the big production and studio, your pricing will dictate the quality of your client don’t be cheap even you are not booking anyone this will only bring the kind of client you don’t want to deal with … think also of your potential client and why they would spend money on a photography session or photo, you have to be able to sell yourself in a extremely subtle way …

You and a million others want to start making money with their hobby, photography. So I would not get my hopes up. That said, it’s more of a business undertaking than a photography undertaking, and every genre is different. So start with what your of photography business genre you are interested in… then you might get some useful advice.