Well, the more homozygous genes you have in both the male and the female, then the more definite (within reason) hets you will have in the offspring.
The last couple of years I have done custom requests for a customer to create interesting hets for him, but I have to know pretty far in advance to allocate resources for it. Of course, the boat has already left the dock for this year. And of course, the requirement for such a request is that the buyer must buy the entire clutch that hatches out, right out of the egg. Otherwise I get stuck with a bunch of animals that might be difficult to sell to a bunch of other people also interested in just a pair or so of that exact same combination of genes. The price per animal is somewhere between the cost of either full homozygous baby of each parent. For instance, breeding a Hypo Lavender Blood Red to Butter Motley would produce a clutch of babies that I would want to get $300 per head on. Of course, I can't predict how many babies would hatch out, which makes this a real gamble for the buyer. Could be quite heart stopping for them if I got a clutch of 30 eggs hatch out for them!
Especially if they all turned out to be males.
But such is life, sometimes....
Not sure if anyone else does something like this, but in some cases, it might be necessary in order to get a mixture of genes that you are most interested in getting.