A checklist is the start, not the conclusion
Document presence is useful, but the more important questions are whether the records agree with each other, whether material evidence is missing and whether the ground position supports the same story.
Build around the decision
The diligence scope for a secured loan, an auction purchase and a possession strategy should not be identical. Start from the decision and work backwards to the evidence needed.
Make inconsistencies visible
A red flag is not only an adverse fact. Contradictory addresses, ownership details, property descriptions, litigation references or site observations can be just as important because they show what still requires resolution.
Separate facts from professional opinion
A good report distinguishes what was observed, what the source says, what remains unverified and what requires a lawyer, valuer, engineer or other specialist to conclude.
Leave an evidence trail
Decision-makers should be able to see where a material statement came from and what could not be established. That makes the work usable later, not only on the day the report is delivered.
Use the note to improve the questions you ask of the file. The exact legal or recovery action still depends on the facts, client mandate and applicable professional advice.
Field Notes are general operational observations, not legal or investment advice.