You mean the other repitles that sell for literally pence on the wholesale market?
We're in the UK, not the states, but it's even worse over where you are. Imagine how many adult corn snakes, boas, rainbow boas, beardies, leos (ETC ETC ETC) you'll have to produce to make money when the average baby sells at $5-$50
This year we'll produce hundreds of corns (fingers crossed etc). Arond 20-30% of those we will be able to sell at 'full price' to other breeders (ie not shop retial but above wholesale. The remianing babies go out to pet shops etc at a fraction of the price. This all goes to heat and feed the collection.
Then don't forget that theres nothing to say all of our royal pairings this year (or indeed any!) will take, and then if they do 3 out of every four eggs could be a normal male or a het male or a poss het make again worth pence.
Then theres the time, space, effort and money it takes to house and raise all these hatchlings.
People took you to mean only ball pythons mainly because this is a ball forum but also because they are amongst the only reptiles that that sell for a higher price (and you spoke of making a living at it).Sorryfor the assumption.
What other species are you planning on breeding? you'll have to consider their different husbandry, food and space requirements etc aswell as the eventual wholesale and private sale prices. Best of luck to you, but i'd look into the financial realities of it a bit more.