They are right. You will never find a wholesaler that can compete with ebay. Most of the internet wholesalers are selling on Ebay. They sell to you for a higher price to make more profits.
If you want to make good money online then you need your own stock. Buying pallets is the best way to sell online and make a profit. The worst you can do on a pallet is break even. You try to sell wholesale goods and you will loose allot of money.
You found the right place when joining salehoo. The hard part is getting you here. The best part is now that you are here you can learn what many of us already know about selling online and making a steady income from online sales.
Use the forums as your tool. There are still good uses for the suppliers in the directory. And with careful research you will find a supplier. And techniques that you can learn from many members on how to make good money online.
The vast majority of members here are against drop-shipping. There is very little money for a startup in drop-shipping. Most of the time you will loose.
Also note that ebay dislikes drop-shippers and once your noticed you will find it very hard to keep your account going.