One man’s trash is another man’s treasure. The same can be said for homes. Where one person sees an outdated, rundown home, another may see unlimited potential. But, sometimes that old house isn’t worth trying to recover. It takes a keen eye and a working knowledge of construction to understand what a property will need to be remodeled successfully. Here are seven signs that a home may be more trouble than it’s worth.

Construction sites are dangerous places. Approximately 20% of workplace fatalities were in the construction field in 2015, according to the Occupational Safety and Health Administration (OSHA). 65% of these deaths resulted from what OSHA calls the Fatal Four: Falls (38.8%), Struck by Object (9.6%), Electrocutions (8.6%), and Caught-in/between (7.2%). While accidents happen, there are preventative measures that can be taken, especially when it comes to electrocution.