Taking into consideration feeding and keeping up a pair for at least two (if more three or more, depending on the female) years, as well as there not being a guarantee of getting a BlkEL right out of the gate, just buying one probably would be cheaper...

OP, if you're determined to breed your own, I would go for a super nice female fire and spend a little more, then once she gets to be a year or so old, start looking for a male. He'll be ready much sooner than she will.