A common issue is whether to buy or build a needed technology or service. This decision is often called the make/buy decision or the buy vs. build decision. Making this kind of decision is more than just the comparison of relative price to do each of the options. The complexity is evident in the following list of important criteria that need to be considered.
Compare Buy to Build Details
Lowest development cost Evaluate the anticipated relative capital cost of preparing for production. This includes equipment, facilities, personnel, and other expenditures.
Lowest product cost Evaluate the anticipated relative cost of producing the product. This needs to include all costs required to get the product ready for insertion into an assembly or ready for delivery to the customer. Be sure that the costs compared are based on the same starting and end conditions and take into account the life of the product.
Highest product life cost stability Evaluate the anticipated relative stability of the cost estimates. How might the costs change over a two-year or five-year period? What controls are in place to manage the cost?
Lowest development lead time Evaluate the anticipated relative lead-time to get the product ready for production.
Lowest order lead time Evaluate the anticipated lead-time needed between placing an order and receiving the product. Just because something is produced in house, does not necessarily mean that it will be delivered sooner
Higher product quality Evaluate the anticipated relative quality of the product. Product quality includes finish and function.
Better product support Evaluate the anticipated relative ease with which you will be able to support the product.
Easiest to change product Evaluate the anticipated relative ability you will have to change the product.
Strongest intellectual property control Evaluate the anticipated relative control you will have over intellectual property.
Better control of order volumes Evaluate the anticipated relative control you will have over the size of the orders and how well the volume matches your needs.
Better control of supply chain Evaluate the level of control you have over suppliers
Neither make nor buy will be the best for each of these measures. The best choice is some trade-off in the ability to meet them. One method to manage this decision is to list the pros and cons of each of the options relative to these measures. A more rigorous method and one that will take into account uncertainty and differences of opinion is to use Accord. An extension of make/buy is to choose amongst multiple vendors (one of which is internal — make). A template for this broader vendor selection problem is available for free in the 30-day trial version in Accord Professional.
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