I live in the UK. Should I sell my Amazon FBA products in the UK or the US?

The short answer is: Sell in both

But in reality is, if you are starting out, start in your home market.

Try things out and test. If something doesn’t work, you can always request Amazon to send our product to your home, while if you are selling in the US and that first product fails, Amazon will not ship it to your UK address.

The US market is a lot bigger than Amazon UK, and very easy to get into, but it’s also the most competitive Amazon market in the world.

So, before jumping into the US, gain experience in the less competitive UK, then you could even consider Germany. But don’t launch in 2 countries at once, because your launching efforts will be less effective in both platforms

Quin Amorim, Host of Amazon FBA Selling Online Podcast