Concierge Service Business Plan Sample. We have not been charging our clients any sales tax because we understood that sales tax was not applied to services rendered (such as attorneys or accountants do not charge sales tax).. Errand Service. i am planning to run an errand business like running errands for old people and things like that how much do you think i should charge?. Errand Service Business Plan YouTube. 539.495.721.1.. I own a service business (concierge/errands) in Charlotte, NC. Are we exempt from paying sales tax. Start your Business Today need help charging for errand business. Free Errand Service Business Plan.I'm planning on starting an errand service business to help people complete the tasks they are unable to do due to lack of time, lack of desire, or debility.. I have the money and everything, but for some reason I can not seem to get the word out. I need help, anything at all. Please, no answer is dumb