The main objective of 'Pick Me Up - Idle' is to manage a transportation service, picking up and dropping off passengers while upgrading your vehicles and expanding your fleet to earn more income.

You can earn more money by picking up more passengers, completing customer requests efficiently, and upgrading your vehicles to improve their capacity and speed, thereby maximizing your earnings.

You can upgrade your vehicles in various ways, including improving their speed, capacity, and durability. Additionally, you can purchase new vehicles that provide better performance and higher earning potential.

To unlock new vehicles, you need to reach specific milestones in the game, such as earning a certain amount of money or completing certain quests. Once these milestones are achieved, you can purchase new vehicles from the upgrade menu.

To optimize your gameplay, consider these strategies: 1. Focus on upgrading the most frequently used vehicles for better efficiency. 2. Plan routes to minimize waiting time at pickup and drop-off points. 3. Regularly check for special events that can boost earnings.