Do some work. Getting a business licenses is not hard at all. You do not need a store front to deal with wholesalers, You need to be a business.
By getting a business licenses, you will get a tax exemption ID also. Macphearsons or any wholesaler will definitely work with you.
You should be on a business start up forum looking into how to do things legally (like you say you want to do) instead of on a graffiti forum asking people what you should stock. Sounds like your running for the fences before you started to crawl.