I have put out a lot of content on product choice. What to look for, what not to look for. Selling something where you can identify the customer, why they should buy it (their pains and their gains) and then why they should buy it from you (because you understand them and you explain it all to them in a way that resonates).
But here's something else I didn't mention...
If you want help with selecting your product, your competitive differentiator AND your supplier, you will get it when you join the FBA2USA Community.
If you are as subscriber and you forgot to ask for the FBA2USA Product chooser, email me at firstname.lastname@example.org and I will send you one. If you aren't a subscriber then you can sign up here.