Hi and welcome to SaleHoo desire! Nice to have you here with us :)
You're definitely not the only one asking that question (lol) But seriously, its a great goal you have there just be sure not to make it a deadline otherwise you may end up frustrated...
We added a guide in our Education tab and I think you should take time to read it. Hopefully this will help you decide on a product for starters :)
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Also, two very common tips are to start selling things you find around your home and sell something you are passionate about.
I know you mentioned you might have overloaded yourself with all the reading, but I'd like to recommend just one more... Try downloading SaleHoo's New User Manual - I'm certain you will find it might useful! To learn more about it and how you can download your copy, please go to this link:
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Hope this helps!