The answer to 'how much to replace rewiring' is that the cost can vary significantly depending on several factors. Rewiring an entire home is a major project that typically ranges from $5,000 to $15,000 or more. The exact cost will depend on the size of your home, the accessibility of the wiring, the complexity of the electrical system, and the local labor rates in your area.
Rewiring a home is a complex task that is best handled by a licensed and experienced electrical contractor. They will be able to assess your specific needs, provide an accurate estimate, and ensure the work is done safely and up to code. While DIY rewiring may seem tempting to save money, it's generally not recommended due to the risks involved.