| Chicago | Herstal | |
| 1 Pair of men leather shoes | USD 92.50 | USD 109.74 |
| Mid range bottle of wine | USD 13.00 | USD 6.10 |
| Tennis court rent (1 hour on weekend) | USD 20.00 | USD 14.71 |
| Potato (1kg) | USD 1.84 | USD 1.24 |
| Apartment (1 bedroom) in city centre | USD 1 465.28 | USD 728.67 |