Small businesses get nickel-and-dimed by per-user pricing on helpdesks, forms, signatures and scheduling. One-time software makes the toolset a capital expense instead of a creeping payroll line.
The tool this job usually means renting is ChartMogul / Baremetrics, at $50-100+/mo โ roughly $600 a year, every year. Clientdesk does the job for a one-time $39 โ running on infrastructure you control.