Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $292 | 3641 |
| Medium Quality | $275.59 | 3256 |
| Low Quality | $266.25 | 270 |
| Detroit, Michigan | $200 | a half ounce | high quality | August 1, 2014 |
| Dearborn, Michigan | $110 | a half ounce | medium quality | August 1, 2014 |
| Warren, Michigan | $325 | an ounce | high quality | August 1, 2014 |
| Houghton, Michigan | $45 | an eighth | high quality | July 31, 2014 |
| Jackson, Michigan | $60 | an eighth | medium quality | July 31, 2014 |
| West Bloomfield, Michigan | $190 | an ounce | high quality | July 31, 2014 |
| Detroit, Michigan | $100 | an ounce | medium quality | July 31, 2014 |
| Marquette, Michigan | $130 | an ounce | medium quality | July 31, 2014 |
| Grand Rapids, Michigan | $150 | a quarter | medium quality | July 31, 2014 |
| Garden City, Michigan | $220 | an ounce | high quality | July 30, 2014 |
| Ypsilanti, Michigan | $80 | an ounce | medium quality | July 30, 2014 |
| Jackson, Michigan | $170 | a half ounce | high quality | July 29, 2014 |
| Owosso, Michigan | $40 | a quarter | medium quality | July 29, 2014 |
| Detroit, Michigan | $50 | a half ounce | high quality | July 29, 2014 |
| East Lansing, Michigan | $50 | 5 grams | medium quality | July 29, 2014 |