1. In theory, (or in general) this plot of land that you had described is inauspicious since the lot is wider in front and narrower in the back. Under Shapes and Forms, this is already an "inauspicious" indication.       2. For "cures" it has more to do with the concept of maximizing luck from other Feng Shui concepts: where areas where good qi can be improved on and bad qi supressed.       3. As this is considered a "major wealth" leak under Shapes