Hi sfer25,
Please have a look at the following reviews on dropshippingwholesalers.com so that you can make an educated decision on whether you should join or not.
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If you are still starting out your online business, it is better to test the waters first before making a big investment. You can find free or low-cost websolutions that you can try out (please see links provided by Satya above). You can also start by selling stuff from your home that you no longer need on auction sites like eBay, Bonanzle, Atomic Mall, etc (this is also a good way of finding a good niche market) afterwhich you can slowly move to buying wholesale lots and then liquidated goods and once you have established your business online, you can look at offering a wider range of products to your customers by getting some products dropshipped.
I know how attractive dropshipping is specially to those who are new to online selling. I don't discourage using dropshipping as I believe it can greatly help your business but you can take advantage of it more if you educate yourself first. It is a great way of offering a great range of products to your customers without having a large start up capital and a warehouse to stock your products. This eliminates the risk of buying products that won't sell and losing money because of that. This is just one of the advantages of dropshipping and of course, it also has its disadvantages which include
a profit margin which is not as high as when you're buying wholesale. You will also have to pay your dropshipper a small fee to cover for their time and effort packaging and shipping the items for you.
I'd recommend clicking on the 'Education' tab in the Salehoo website and checking out our articles that provide you a wealth of information about dropshipping, how to make it work for you as well as some excellent ways of sourcing your products, protecting yourself from getting scammed, etc.
Cheers,