Hi Solomon and welcome to the forum,
Not all, but some dropshippers will require a tax id to set up an account with. That's about the only issue you will encounter, so if you have your tax id, then no issues dealing with any dropshipper at all. If you don't, then you will have to deal with dropshippers that do not require the tax id ony.
No issues with Amazon or eBay at all.
Cheers
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