Cities are where the jobs are.
Jobs in Capsule Corp (must train under Bulma):
Delivery Boy(Bulma Lv 1): earn $5,000 a day, you must work at least one day a week
Engineer(Bulma Lv 2): Earn $7,000 a day, you must work at least two days a week
Computer technician(Bulma Lv 3): Earn $10,000 a day, you must work at least three days a week
Capsule Corp Scientist(Bulma Lv 4): Earn $20,000 a day, you must work at least four days a week