Ọja ohun-ini gidi ṣe ipin pataki ti eyikeyi eto-ọrọ. O tun jẹ irinṣẹ idoko-owo to ṣe pataki fun ẹni kọọkan ati awọn oludokoowo igbekalẹ. Nini ohun-ini jẹ ero idoko-akoko kan. Iye owo ohun-ini ati iye pọ si pẹlu akoko. Ohun-ini iyalo tun funni ni èrè giga fun ọdun nitori idiyele rẹ pọ si ni ọdun kọọkan. Eyi ṣee ṣe ọkan ninu awọn idi paapaa awọn onigbese ọlẹ le ṣaṣeyọri ninu iṣẹ yii.
Eyi ni awọn billionaires ohun-ini gidi 10 ti o dara julọ ni agbaye.
| ipo | Name | net Worth |
| 1. | Li Ka-shing | $ 29.2 bilionu |
| 2. | Lee Shau Kee | $ 19.5 bilionu |
| 3. | Dan Gilbert | $ 18.8 bilionu |
| 4. | Peteru Woo | $ 18.8 bilionu |
| 5. | Donald Bren | $ 16.1 bilionu |
| 6. | Harry Triguboff | $ 12.9 bilionu |
| 7. | Stan kroenke | $ 12.5 bilionu |
| 8. | Hugh Grosvenor | $ 11.6 bilionu |
| 9. | John Albert Sobrato | $ 11.1 bilionu |
| 10. | Raymond Kwok | $ 10.9 bilionu |
