I never understood how this can be the business model. Isn't it illegal? https://www.ftc.gov/tips-advice/competition-guidance/guide-antitrust-laws/single-firm-c

I never understood how this can be the business model. Isn't it illegal? https://www.ftc.gov/tips-advice/competition-guidance/guide-antitrust-laws/single-firm-conduct/predatory-or-below-cost https://www.ftc.gov/tips-advice/competition-guidance/guide-a...