1.
Omni-channel can be a trap. If customers want pure online and you build hybrid, you carry store costs without the customer preference advantage.
2.
Asset-heavy models lose flexibility. When the market shifts, 200 stores and 25,000 employees become anchors, not assets — competitors without them can pivot faster.
3.
Solving yesterday's problem isn't a moat. CarMax fixed haggling and transparency, but when the next shift came (online-first buying), that advantage evaporated.