If you don't know how to use anything, I recommend you to check these guides:
This is very important for you to read this carefully. It will help you to know what to do first and which is the best section for you.
Before starting, you need a budget and this will determine what you will do in the reselling world. Then, after getting your product you need to sell it (or keep it if you really like it). Check this guide too:
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