1. Gray cards allow you to be exact with light measurements
2. Reflectors are great for diffusion
3. Constantly reflecting light at subject is not preferred over brief fill of flash. Squinting.
Post-processing was a breeze by utilizing raw converter, photoshop and Lightroom. Selective color toning can't be any easier with LR. Limited time was spent on all pictures due to versatility of these programs. And it was fun :)