You need a State Sales tax certificate.--Answer1:A resale certificate is necessary and will exempt you from paying sale tax on the items you sell. However, you will have to pay sale tax on what you sell, which you collect from the buyers..--Answer2:Yes.Use this basic checklist to make sure all the important steps are taken before you launch your new venture. This business checklist will make sure that you cross all your ts and dot all your is before your business launch. Steps to Starting a Business -http://www.developer-resource.com/starti...Other sites you might find helpful are: SBA - http://www.sba.gov/SCORE - http://www.score.orgSmall Business Resource - http://www.small-business-software.netBusiness Link - http://www.businesslink.gov.uk/bdotg/act...Goodluck!