| Clue | Source | Date |
|---|---|---|
| Kind of phone plan | Universal | 20 May 2023 |
| Type of mobile phone plan | New York Times | 08 Oct 2016 |
| Type of mobile phone plan | ||
| Alternative to buying on credit | ||
| Installment plan alternative | ||
| Installment plan alternative | ||
| Way to avoid debt | ||
| Way to meet taxes. | ||
| Taxation without tears. | ||
| Beardsley Ruml's well-known plan. |