Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to choose a residential roofing contractor [title] Contact three roofing contractors. [step] Treat this step just as you would if hiring a new employee. Making a bad decision regarding which contractor to hire will be very painful.

Ending1: Give yourself the best opportunity to make a good decision here by including several candidates before moving to step 2. [title] Verify that the roofing contractor you hire has the required applicable business licenses for your state or local area. Ending2: [substeps] Ask each contractor to give you a copy of their reviews of the roofing they recommend. Seek the opinions of three architects, three roofing contractors, and a electrician. Ending3: Before agreeing to hire a new contractor, make sure they are trustworthy. [substeps] To uncover the history of the contractor, learn their competency in roofing and how it drove them to produce an improved home. Ending4: [substeps] Meet with each contractor thoroughly before hiring them for an assessment of their abilities. Ask, " how often will i have to inspect my property and what type of roofing techniques will i need to learn? " estimate the contractor's hours and time.

Answer format: ending1/ending2/ending3/ending4