Hi Jeffrey,
Welcome to SaleHoo! We're glad you like the site :)
Urbanload.com is one of our verified suppliers, so if they offer what you need then I see no problem in using them as your main dropshipper. They are relatively new to our directory, so no reviews have been added yet. Should you proceed to use their services, we would be quite grateful if you could add your review unto their profile - Link hidden: Login to view
I'm not so familiar with Tomatocart.com but they seem to have generally good reviews and feedback, here's a couple -
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Hope this helps. Should you need help with anything else please feel free to let us know :)