Install roof vents on my 2nd story for detailed handyman/engineer

Install roof vents on my 2nd story for detailed handyman/engineer (Monterey Park) compensation: Negotiated Fixed Price ($300) max or hourly I'm a remodel project lover, construction work wanna-be, engineer, Install 2 roof vent turbine whirlybird and 2 goose neck 4" hose vents on my 2nd story sloping residential gable roof with asphalt shingles. These vents are not a real difficult or time consuming task (3 hrs.) and I could do it my self but I respect the "tricks-of-the-trade" to prevent roof leaks is my major concern . And if someone wants to do this as a gig, I'll work with you. That' means $300 top or hourly and I supply vents and sealant. you must have experience / references i can call. You must have all the tools you must be able to work on 2nd story roof sloping roof (4:12) You must be responsible for your health, safety and insurance you must have identification to be copied. Reply with 1. your agreement of labor price of $300 2. your location 3. you have all tools No rush. Vents are ordered but won't be delivered until Wednesday so Thursday or Friday would be ready for installation. post id: ... [ ]