Top 10 Reno Disasters That Will Devalue Your Property

9. Expensive rip offs
Average loss: $8,000
Undertake expensive underpinning to remedy brick cracking without ensuring that this is the best option. In many cases low cost watering systems and tree pruning do the job and underpinning will cause more cracks in other parts of the house. Some owners have spent $20,000 unnecessarily.