Reddit advertising ad been bought previously and independently, so yes, it was free in a sense. No additional cost was incurred, and the author made sure to poi

Reddit advertising ad been bought previously and independently, so yes, it was free in a sense. No additional cost was incurred, and the author made sure to point out that it might not have been a great deal if their situation had not included complementary advertising (or that's how I understood the blurb about strategy, anyway).