This chapter argues that the relationships between time, money, activity patterns and their resulting utility is becoming increasingly flexible, and is not adequately represented by fixed technical relationships. It focuses on the second type of investment. The chapter describes allocation of money to activities, goods and the residence, for the time neglecting longer-term decisions such as car ownership. The approach taken in this study is that demographic events, and the above procedure in which residential location, work hours and work location are evaluated and possibly adjusted, are applied in random order. In addition, the number of activities, the time expenditures and the monetary expenditures for each household and individual are determined for either the existing state or the new residential location/work location/work hours. It focuses on time and money expenditures. This chapter has proposed a model for simultaneous allocation of temporal and monetary budgets to travel, activities and goods.