Some common disadvantages of the product development process are:    1. External factors such as shipping of materials, supplier deliveries, etc. might cause a delay in the process 2. Even with all the market research and adoption of standard procedures, the product can turn out to be a failure in the market.    3. Businesses can set unrealistic expectations or unachievable timelines.   4. Ever-evolving market conditions might hamper the product’s utility and viability after the entire development process is complete.