Having worked with VB6 for several years, I possess the requisite skills needed to skillfully update your source code and add new functionalities efficiently. Over the course of my career, I have led numerous successful projects where I was tasked with updating source code, implementing user authentication, integrating data export functionality, as well as enhancing reporting tools - which aligns perfectly with your project's key requirements.
In line with your stated primary goal, I am fully committed to adding new features to your application. My expertise in VB6 paired with the fact that I've primarily focused on similar tasks renders me ideal for the job. My past works display my capability in handling such projects proficiently and I'll be thrilled to share a few examples with you during our discussion.
In conclusion, by hiring me you'll get not only a skilled VB6 developer but also a seasoned professional who can manage projects effectively and deliver them within budget and on time. My broad skill set, strategic mindset, and persistent focus on achieving results will ensure that all aspects of the tasked project are executed successfully without overlooking any details. I look forward to bringing my expertise to your project team!