You don't seem to have the qualities that makes
for a _REAL_ Radio Ham, OM!

There are no labour costs when you do things for yourself!

There are no machining costs in cutting up a CD with a pair of scissors.

"Brian Reay" wrote in message
...

For most things, the cost of materials is not a cost driver- the cost of
the
material in a variable capacitor is dwarfed by the labour and machining
costs.