Guides

Private investigator rates, retainers, flat fees and mileage explained, with sourced 2026 price ranges.

How to find, vet and hire a licensed private investigator, and what a PI can and cannot legally do.

The questions that separate professional investigators from the rest.

What an infidelity investigation costs, how surveillance is billed, and how to keep costs down.

Process server fees for routine, rush, and skip-trace service, plus sheriff vs. private server.