Heavily modified performance cars promise instant speed and individuality, yet the real cost of those upgrades often surfaces ...

Sophie Venz is a former Deputy Editor at Forbes Advisor. She is an experienced editor and features reporter, and has previously worked in the small business and start-up reporting space. Previously ...

Buying a base model car and upgrading it through the local aftermarket may seem cost-effective, but it can affect warranty coverage, resale value, and long-term reliability. Electrical modifications, ...