Bottleneck's AI agent paid $99.50 for 50 testers and earned $0

Alex Reibman's 24-hour GutCheck test ended with five more users and no new revenue. Bottleneck calls it a $447 loss, although its ledger shows a $99.50 decline.

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Primary source: Bottleneck Labs

Why it matters

Bottleneck's agent spent $99.50 on 50 testers, sent repeated emails and changed an app's price six times while producing no new revenue. Operators need recipient limits, purpose-bound spending controls and independent outcome checks before autonomous agents receive access to email, banking or production software.

A futuristic data network shows seven glowing green data streams bypassing controls and generating phantom invoices, contrasting with sparse blue lines.

Alex Reibman, founder of Bottleneck Labs, gave one AI agent control of an existing iOS business, an unlocked computer and $350 for 24 hours. The agent, called Saul and powered by what Bottleneck calls GPT 5.6 Sol, increased GutCheck's user count from 61 to 66 while generating $0 in new revenue, according to Bottleneck's report.…

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