Siding,roofing, windows and doors

I don't know what it takes before the big box stores 84 lumber and capital city lumber co were the only game in town I have brought a lot of materials shingles lumber trim and hand naile it all before nail guns were out the only thing out is if were a framer with frame guns I have given free estimates sold my self cold calling for almost 28 years I don't know if that is enough experience or not most of what you hire probably doesn't have half that much Thanks Tracy haley