A bid is rejected in case it is not high enough (please see the relevant bidding increment), the amount contains other digits than numbers (letters or punctuation marks) or the sale is already finished.
| Current Price | Minimum Increment |
| €0 | €5 |
| €80 | €10 |
| €200 | €20 |
| €300 | €30 |
| €500 | €50 |
| €1,000 | €100 |
| €2,000 | €200 |
| €3,000 | €300 |
| €5,000 | €500 |
| €10,000 | €1,000 |
| €20,000 | €2,000 |
| €50,000 | €5,000 |
| €100,000 | €10,000 |