Suck it and see. The cost to you is pretty low financially. Buy up 10 domains, perhaps in a related field, do your magic on them and see if you can sell any ... when you sell one buy 10 more. Rinse, repeat.
godaddy says $1.99 for new .com domains, .us are 4.99, etc.. It was a rough example:
"Buy as many domains as your profit will allow until you have amassed a reasonable quantity and are selling domains quickly enough to make a business out of it" was the intention.
