Dropshipping is fairly simple but buying wholesale lots is the best way to really jumpstart. If you can buy wholesale try Link hidden: Login to view. To really get going in dropshipping, setup an account at first data payment solutions firstdata.com.
Once you got a merchant account you can just add products to your store or use Craigslist and put them on your store front. Then sell your other items on Amazon which is fairly simple to get started. It moves fast too. If you want them to ship just send the products to Amazon's fulfillment center. Then you can dropship from all over. Unload your niche items on eBay and away you go. ETSY.com is great too. Just remember you need a merchant account first.