I suspect that if they sold in GSM phone volumes they could price them cheaper. Maybe this is the perfect opportunity for you to make something like this at so

I suspect that if they sold in GSM phone volumes they could price them cheaper. Maybe this is the perfect opportunity for you to make something like this at something you consider a more reasonable price and make a fortune? This reminds of those clients who think "You should be able to knock this out quickly." If they are so knowledgeable that they know how long something should take, why don't they just "knock it out in a couple of days" themselves?