Life Insurance - How Much to Buy
The answer to the question of "how much to buy" is "as much as you need"! It all depends on what you are buying the insurance for. If you have no dependents, and already have enough put aside to clean up all of your debts and pay final expenses, then you might not need any.
If you are buying insurance to provide for dependents, then you need to do some calculations. This might be a task for a financial planner, or there are some good calculators out on the web. You need to calculate what you have already and how much will be needed. The difference is what you need for insurance.