• Cost could be countable and non-countable, visible and invisible or opportunity cost, i.e. value of the next best alternative
• Schedule control to ensure work on time and without wasting extra resources
• Detailed, careful & in-depth evaluation of software/ hardware selected especially expensive one
• Using parallel import product is cheaper but warranty is an issue if need repair
• Check user review, comment, problem found or feedback before purchase of any product
• Check with different sale channel and companies
• Ensure value for money for every spending no matter product purchase or personal recruitment
  • Allocate sufficient financial resources to purchase item and deliver on time based on project requirement of different time.
• Reserve for unpredictable situation
• Pass through different approval before purchase
• Procurement Process: fund application, product evaluation on features and compatibility, tendering and award with attention to product examination and delivery time

* Refer to Procurement Plan of the same series for details.

• There are some common estimation methods like Constructive Cost Model, Function Point Analysis, Source Line of Code but please ensure different staff working on it have correct understanding.

* Many cases are found that Function Point estimation result are different due to interpretation of the method of how item is classified, i.e. External Input/Output/Inquiries or Internal Logical Files, especially when there are some room for unclear and misleading explanation. Reconciliation is a complicated process between different parties. There are some indexes which shows the project situation, e.g., Cost and Schedule Performance Index which is compiled based on Actual Cost, Earned Value and Planned Value.