Appraisal tools can help prepare an auction decision by suggesting a value or organising comparable evidence. They cannot determine a guaranteed sale price or justify a bid without checking the name and transaction.
Choose the resource by the question you need answered: an automated estimate, reported sales to compare or an explained professional opinion. Keep those outputs separate.
Use an automated estimate as a cross-check
GoDaddy’s GoValue guidance describes estimated domain values and states that actual sales can fall above or below them. A displayed number is not an offer to buy the name.
Use it to ask questions about wording and comparisons. Investigate a large disagreement with your own evidence rather than increasing the auction budget automatically.
The appraisal tools guide provides broader context and current access considerations.
Research completed sales separately
NameBio’s documentation describes recorded transactions and relevant filters. It is historical sales evidence, not interchangeable with an automated appraisal.
Compare extension, word structure, subject, date and transaction scope. Keep asking prices and website-business purchases apart from closer domain-only comparisons.
Public records can miss private transactions and do not show all unsold names. Record those limits when using a range.
Assess a professional appraisal’s method
Sedo’s appraisal service describes an analysis with comparable-domain information. Check current cost, scope and delivery arrangements before ordering a report.
Ask what supports the range, which buyer type is assumed and what would change the judgement. An explained opinion can add context, while a certificate or professional label cannot guarantee an auction outcome.
Check report timing against the bidding deadline before paying for an appraisal. If the auction will close before material research is available, keep that uncertainty in the decision. A pending report is not evidence for an increased bid, and passing on the listing can be appropriate.
The report interpretation guide helps evaluate assumptions and missing evidence.
Combine the outputs into a buying note
| Input | Question |
|---|---|
| Automated estimate | Which assumptions need checking? |
| Comparable sales | How closely do the transactions resemble this name? |
| Professional opinion | Is the reasoning supported and relevant? |
| Acquisition terms | What commitment and delivery conditions apply? |
Inspect naming-rights concerns, archived content and significant backlinks outside the appraisal output. Missing data should reduce confidence rather than become an assumed benefit.
Set the total limit before bidding
Record bid, mandatory charges, renewal costs and a plausible exit case. For a hypothetical £400 acquisition allowance with £35 required charges outside the bid, the bid ceiling is £365 before other costs.
GoDaddy’s buyer guidance describes binding bids and possible extensions. A tool estimate cannot cancel the commitment or make a final-second tactic reliable.
Use the valuation workflow to keep the limit evidence-based. The useful appraisal resource makes your questions clearer; the auction still needs a decision you can defend.