Welcome to SaleHoo, nice to have you on board!
I did a recent search for the same products (branded clothing and electronics) for another of new member -Link hidden: Login to view
Alternately when you do your own searches you can easily filter out suppliers/dropshippers by using our search filters. To filter your searches please click on the 'more options' link under the green search button.
I cannot guarantee that you will make your traget $10-20 dollar profit margin but the list should help you start out :)
All the best!