Different people and cultures believe different things for the answer to this question. The meaning of life as we perceive it is derived from philosophical and religious contemplation of, and scientific inquiries about existence, social ties, consciousness, and happiness.
A long-term financial plan should include these elements. Time Horizon. A plan should look at least  five to ten years into the future. Scope. A plan should consider all appropriated funds, but especially those funds that are used to account for the issues of top concern to elected officials and the community. Frequency.
Cost. Most certified financial planners charges will be based on the project. They typically charge around $150-$300 per hour. Rates will vary depending on the advisors experience, expertise, and competition. The cost of the plan will depend on the scope of the engagement. From what I have seen, comprehensive financial plans range from $1,800-$5,000. Keep in mind if your financial situation is complex, you may pay more than the normal range.