$350 is basically free in terms of skilled technician time to solve a problem that requires any non-trivial amount of investigation. You're devaluing the labor and thinking only in terms of the raw materials.
> You're devaluing the labor and thinking only in terms of the raw materials.
very common for folks to compare the cost of having something assembled for the first time in a low-wage country, to having it disassembled, diagnosed, repaired, and reassembled in a high-wage country.