Dirt cheap
means Extremely inexpensive; costing very little. It implies that the price is so low that it's almost as cheap as dirt, which is considered to have little to no value.
Examples:
1- They rented a dirt cheap apartment for the summer because it was off-season and located outside the city.
2- The community center offers classes dirt cheap to ensure that everyone can afford to participate.
Dirt cheap
means Extremely inexpensive; costing very little. It implies that the price is so low that it's almost as cheap as dirt, which is considered to have little to no value.
Examples:
1- They rented a dirt cheap apartment for the summer because it was off-season and located outside the city.
2- The community center offers classes dirt cheap to ensure that everyone can afford to participate.