Contribute your own labor to big jobs being handled by a professional crew and cut hundreds, even thousands, off construction costs. For instance, tear out kitchen cabinets and appliances before the contractor gets started, and you might knock $800 off the cost of your remodel. Make sure you negotiate cost savings with your contractor before pitching in.
When it pays: Jobs that are labor-intensive but require relatively little skill make perfect sweat equity jobs. Perform minor interior demolition, such as pulling up old flooring, daily job site cleanup, product assembly, and simple landscaping.
When it costs: If you get in the crew’s way, you may slow them down far more than you help. Make your contributions when the workers aren’t around; mornings before they arrive, or nights and weekends after they’ve left.