My understanding is that fireballs are hets for a gene that when homozygous creates a line of black-eyed leucistics.
If that is the case, then your odds breeding fireball X fireball would be the same as with any het X het breeding. Each egg would have a 25% chance of containing a homozygous (leucistic) a 50% chance of containing a het (fireball) and a 25% chance of containing a complete normal for this leucistic gene.
The going price by the time you produce is anyone’s guess. As long as you had some big normal cb females and could get the fireball male to breed them you should be able to do well even if the price is 1/4 by then. However it would be a huge initial investment to gamble should things go wrong. Perhaps not the best first snake breeding project 