In the beginning, try Doric's quest. This is a extremely simple job with no requirements. In the next step, you will be able to complete Digsite it takes some time and OSRS Gold requires 25 Thieving, 10 Agility and 10 Herblore. If you have those levels you can reach 32 in just under half an hour.
If you decide to complete more quests, it is possible to tour of Plague City The Giant Dwarf, Lost Tribe, Between a Rock and Enakhra's Lament, Making Friends with My Arm. While on quests, you'll visit several locations like Al Kharid Mine Fossil Islan