| San Francisco | Sfax | |
| Water bottle (0.33 liter) | USD 1.63 | USD 0.30 |
| Chicken breasts at the market | USD 13.03 | USD 4.81 |
| Mid-range restaurant | USD 70.00 | USD 9.02 |
| Taxi 1hour Waiting | USD 30.00 | USD 6.01 |
| Apartment (1 bedroom) outside of centre | USD 1 879.63 | USD 114.22 |