No matter how meticulously you craft your budget and your expected expenses, there is a good chance that a problem might come up which will make an added cost to your project. You don’t want such unexpected things to break your project. Ideally, a 10% buffer should cover should most cases of unexpected costs.
Watch out for these comment unexpected costs:
- Permits
- Roof replacement
- Old pipes
- Heating and cooling units
- Landscaping
