Leave These DIY Projects to the Experts Considering a home improvement project so you can get top dollar when selling your home? Some projects are easy to do yourself, but for safety purposes, leave these jobs to the professionals: Plumbing/gas [which could lead to leaks and flooding] Wall demolition [pipes and wiring may be behind the wall or it could be load bearing] Electricity [which can cause electrocution or electrical fires] Roofing and decking [injuries from falls] Landscaping [improper draining/flooding] Source: Adam Long, president of HomeTeam Inspections