| Phoenix | Naperville | |
| Fitness club, monthly fee for 1 adult | USD 31.88 | USD 56.00 |
| Utilities (Electricity, Heating, ...) for medium apartment | USD 168.67 | USD 85.00 |
| Mid-range restaurant | USD 40.00 | USD 60.00 |
| Gasoline (1 liter) | USD 0.93 | USD 0.96 |
| Imported beer at restaurant | USD 4.00 | USD 5.50 |