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The notable disadvantage of pressure die casting is that dies are expensive to make. This is particularly important in the context of manufacturing because the initial investment in die tooling can be substantial. The process requires precision engineering to create molds that can withstand the high pressures and temperatures involved in casting metal components.

The cost of materials and the complexity of manufacturing the dies contribute to this expense. Once the dies are produced, they can produce a large number of components efficiently; however, the upfront costs can be a barrier for smaller manufacturers or when producing smaller volumes.

Other options, while relevant to various manufacturing processes, do not encapsulate the primary disadvantage specific to pressure die casting. For instance, excessive waste is generally more associated with other less precise methods, low-temperature operations do not align with the nature of pressure die casting, and a high rate of scrap metal might relate to quality issues rather than die production costs.