The Deliverability Tax: Why Sales Automation Margin Depends on Inbox Reputation

Sales automation shifts agency pipeline economics from headcount to infrastructure, but the savings are borrowed against sender reputation. Every automated sequence spends a finite asset (domain trust, reply rates, client brand equity) that degrades quietly and reprices the retainer when it breaks. Agencies that treat deliverability hygiene and human handoffs as billable line items compound margin; those that treat them as setup chores inherit the risk without the fee.