Ben321,
Whilst I understand your frustration at the cost of some specialist parts, maybe a little story will help you better understand the situation......
I decide to put some of my hard learnt knowledge into a new imaging sensor that can detect previously unknown "Geek" particles in space. I spend a year of my life designing the imaging sensor and another year searching for Unicorn Tears that are essential to the sensors operation. Boy those Unicorns are hard to find, and as for making them cry.... well that was so hard until I used the Tazer on them !
I harvest enough Unicorn Tears to make a batch of the "Geek" particle sensors. I test them and they work beyond expectations. The Unicorn Tears dielectric constant is far better than expected and the specific gravity is perfect for the sensor.
Pretty soon NASA hear about my "Geek" sensor and they send the "Boys" round to negotiate supply of such for a new Exploration Satellite costing 1 Billion Dollars. Now I know most of the NASA space rated sensors are tens of thousands of Dollars and they do not contain very hard to find Unicorn Tears !
I set my unit price per sensor at $100K or $98K if purchased in a batch of 10 and paid through PayPal Friends and Family. The NASA boys jump at the chance to fly the sensor and buy 10 for experimentation. Harvard University buys 2 and MIT buy 5.
Whilst enjoying the financial returns on my hard work and riding on a lovely white Unicorn, I receive an email on my iPhone asking to buy one if my "Geek" sensors for hobby work. I advise the sender of the $100K cost plus $12 postage and packing with "On yer bike" couriers Inc.
I soon hear that someone on a prominent and respected forum is calling me a crook and a robber because I am asking "too much" for my sensor. Sure enough the person who enquired about buying a sensor is stating that it is too expensive and "Robbery".
So let us analyze the situation....
I design and build a specialist sensor, fill it with the 'secret sauce' (Unicorn Tears) and I get paid a lot of money for it by large companies and institutions. This is the reward of my efforts and all the pain of getting kicked in the nuts by angry Unicorns after I Tazered them for Tears !
Why should I sell the sensor for less to anyone who wants one ? It contains my work and the magical Unicorn Tears that others cannot find. What incentive is there for me to make the sensor available cheaply when the market happily pays $100K per unit and demand heavily outstrips supply of Unicorn tears ?
Now if my design was such a 'rip-off' another party would buy one, reverse engineer it and make a cheaper copy to gain a slice of the pie. The problem they find is that the 'secret sauce' cannot be identified or found. I do a deal with a third party to make the sensors as my shed is getting overcrowded with little projects like higher voltage Tazers for Unicorn Tear extraction. The deal is the Third party build the sensors and I supply the 'secret sauce' in individual serial numbered viles. The sensor is distributed through the Third Parties network and they charge the standard $100K per unit. I get $90K per unit sold and only have responsibility for collecting the Unicorn Tears.
The Third Party sells lots of sensors and the market is still strong. There is no incentive to reduce the price as the users of the sensor are content with what they are getting for their money.
So Ben, why is it Robbery to ask a high price for a sensor that cannot be knocked up on a kitchen table ? We live in a Capitalist World.
Hope you liked the story.
Note: No actual Unicorns were harmed during the making of this story
I don't want PETA after me !
Fraser