
Shake Shack says self-serve price jump after no-tip choice was a tech error
A Utah couple filmed a Shake Shack airport kiosk where selecting 'no tip' appeared to trigger a 50-cent price increase on two milkshakes; Shake Shack says the bump was a technology error, not policy, tied to a licensed airport location; the issue was investigated and resolved, while the video spurred broader debate over tipping at self-serve outlets.












