Bottom-Up

When estimating the expenditure with the bottom-up method, individual work packages are estimated based on detailed planning. As a result, the required resources can be allocated more efficiently. Possible complications, such as public vacations and vacation periods, are taken into account, thus enabling very precise planning. The responsible project team member should have a good technical know-how, so that planning is not too generous. If there are any deviations, however, it can be assumed that individual overestimated expenses will compensate for them. With an intelligent tool for capacity management, potential problems and false estimates can be counteracted effectively.

Advantages

More precise cost estimates possible
Project employees are directly involved in the planning

Disadvantages

High coordination and time expenditure

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