Focus on the "Repair" skill tree first. Being able to fix parts instead of buying new ones saves massive amounts of cash early on.

Beyond customer jobs, you can find classic "wrecks" in barns or junkyards, restore them to mint condition, and sell them at auction for huge profits.

Use realistic tools like OBD scanners, electronic meters, and a test track to identify hidden issues.

Every job should start with checking and draining the oil to avoid engine damage penalties.

If you're lost, click the star icon next to a part in your "To-Do" list. This highlights the part's location on the car.