I was lucky and had many large adult females before my male albino was up to weight for breeding
I got many for free or close to it, if you watch places like craigslist the free classified newspapers long enough you can pick up snakes people are trying to let go of quick
one of my best females was a snake that someone had for about 8 years but they decided they wanted the tank for the new iguana they got. She was a great snake and layed the 11 eggs I got this season can't beat that from a free snake.
you can watch rescue sites, or shelters, check with any reptile stores in your area as I am sure people call them all the time about dumping off snakes.
or just buy one
there will be times people like me will be letting go of normal female breeders cause we have hets to take their places now and it would be less mouths to feed and take care of. (which I should be doing next year I figure)
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Misty Sprouse Ball Pythons