| Clue | Source | Date |
|---|---|---|
| Guaranteed | Eugene Sheffer | 07 Jun 2023 |
| Comfortably safe | Wall Street Journal | 19 Mar 2022 |
| Can't-lose | Universal | 23 May 2021 |
| Word in a con man's pitch | The Washington Post | 24 Sep 2020 |
| Word in a con man's pitch | LA Times Daily | 24 Sep 2020 |
| 100% guaranteed | New York Times | 22 Feb 2020 |
| Totally safe | Eugene Sheffer | 01 Jan 2018 |
| Safe | Wall Street Journal | 15 May 2015 |
| Safe | ||
| Guaranteed |