You won't find any "free services" like Doba.com because then they wouldn't make any money. Any company in that position is getting their money one way or another (higher prices, added shipping costs, etc). They are stuck in between you and the factory or you and a wholesaler. If at all possible, try to get setup with a wholesale distributor (or factory that distributes to businesses directly) that will provide light wholesale, or head to store liquidation sales/auctions to get good prices that you can make money from. Some wholesalers may even dropship for you (at a cheaper price than you would typically get from a site like Doba). If you are set on using a dropshipper, then just check a forum that discusses dropshipping to see what the people there are using/recommending. You might get some suggestions here but I strongly suggest heading to a site that discusses it alot and focuses on these types of things.