Guides
Practical advice on documenting, proving, insuring, and selling the things you own — so you're ready for the moments that matter.
How to Prove a Watch Is Authentic When Selling It
A practical checklist for assembling the documentation and evidence that makes buyers trust your listing — and pay your asking price.
Read guide →How a Documented Service History Raises Your Car or Motorcycle's Resale Value
Why a complete maintenance and ownership record is one of the biggest levers on resale value — and exactly what to keep.
Read guide →How to Prove a Designer Handbag Is Authentic When Reselling
Serial codes, hallmarks, inclusions, and authentication — the evidence that lets resale buyers trust a designer piece is genuine.
Read guide →How to Document a Trading Card Collection for Insurance and Resale
Cataloging grades, cert numbers, condition, and value so you're covered for insurance and ready to sell at the right price.
Read guide →How to Document Art Provenance (and Why It Determines Value)
Provenance — the documented ownership history of a work — is one of the biggest factors in its value. Here's how to build and keep it.
Read guide →How to Keep Records of Home Improvements (and Why It Pays Off)
Documenting renovations, permits, and warranties to maximize resale value and minimize capital gains tax when you sell.
Read guide →