2, add a helper operator, learn to cook until 65, sell cooking, 1 day, 10 hour, and earn about 40W. A little strength, a little blood.
Level 3.50 can do WJ and waterway, drive by yourself, kill by one team, and add a doctor or PT to ensure safety.
4. If you lead a team to catch ghosts, you don't have to stop at 59 when you drive FB. Slowly upgrade to 69, 69 save the experience to 89, and then save the experience to 109 ... If you don't want to lead the team yourself, stop at 59 and leave the experience to 69.