Check sample size and date range. Compare advised odds with realistically obtainable prices. Recalculate profit and ROI where possible. Look at losing runs and drawdown, not only final profit.
Prefer records that preserve losing selections rather than deleting or editing them after the event. Screenshots alone are weaker than a consistent, timestamped ledger.
Evaluating a paid tipster?
Use the same evidence checklist before looking at any sales offer.
How to choose a football tipster →