If it were me I would take it to a body shop. Look for a shop with old muscle cars & maybe a truck or two. Not a shop with a bunch of Honda`s out front.<br>Tell them you just want the hole welded shut, the rest you can do. If the hole was in a "high crown" area, meaning curved or mounded I would say go ahead & weld it yourself. Thats if you can weld.<br>It`s harder to weld up a flat area than one with a curve in it. You`d think it would be the other way around.<br>It shouldnt be very expensive. You smooth the inside & outside with an angle grinder, paint, & youre done.<br>Jerry