1. No. GMRS is a personal radio service now. Business use was discontinued several decades ago however there are still a few legacy licenses for businesses that were granted before the change. They must renew to retain their use of the GMRS frequencies. The personal radio service rules were recently updated to clarify all of this. Check out FCC.gov and search on Part 95. 2. No. See #1. 3. No longer relevant. Depending on the model of the Baofengs, they are or are not certified for use in various radio bands by the FCC. Most of them really only qualify for licensed amateur radio operator use. You should contact a local two-way radio shop for guidance and equipment. They are familiar with your area and can best advise you on licensing, etc.