The ColorChecker Passport provides you with tools that allow you to achieve more consistent results, quicker, and with more ease. The video below explains how to use this along with Premiere Pro to instantly color correct. You can use a light stand along with a mini clamp to hold the color checker in place when working alone.
https://www.youtube.com/watch?v=ugIIHIe9D8kBe sure when filming you get white balance and exposure properly set in camera for this to work best.
https://youtu.be/Zv-pIhoyBLUIn-depth tutorial for getting perfect color and exposure in camera using the Xrite color checker.
https://youtu.be/yNSRrIf8rY8