Breaking down costs is an effective strategy, and using a Home Project Management (HoPM) system can greatly aid in this process. Here's how HoPM can help you avoid issues with inaccurate estimations:

1. **Task Decomposition**: HoPM tools allow you to create detailed task lists. By breaking down the project into smaller, manageable tasks, you can estimate costs more accurately for each component.
2. **Resource Allocation**: HoPM can help you assign resources to each task, providing clearer visibility into labor, materials, and other costs involved, which contributes to more precise budgeting.
3. **Real-time Tracking**: With HoPM, you can track expenses associated with each task as the project progresses. This allows for timely adjustments and keeps budget oversight relevant and actionable.