A lot of people will tell you "It's hard to make any money breeding" and "There's too many breeders already" but that's just their opinions. If you are working with animals you love, you'll be fine. Post ads in the classifieds, make a web page and build a good reputation based on high quality and in time, you should be able to at least cover your costs.
One thing to consider is that the higher average "value" your snakes have, the easier it will be to recoup your expenses.... but it might be a bit more difficult to find buyers for expensive snakes.... tough call. That's why it's important to work with animals you love and donít worry about the money!