: Research from the Journal of Business Research (2020) found that consumers significantly prefer "Free" deals over equivalent percentage discounts. Using eye-tracking technology, the study proved BOGO-style deals capture more immediate attention, especially at higher discount levels.
: For higher-value electronics like phones, these deals are often used as "introductory pricing" to quickly gain market share or clear out older models before a new launch.
Provide a (e.g., "consumer psychology" vs "inventory logistics").