> Formerly a software developer, I was able to install, configure, and hack together a workable WooCommerce/WordPress PHP/MySQL CMS that generated content and still is our main shop, selling millions of dollars of merchandise per year.
But anyone could really do that just following simple online guides/examples. CMS is child's play especially when you didn't even build one from scratch but just pieced ready made software together.
> I used to work retail and retail management when I was young and putting myself through high school and college. Lessons about stocking, shipping, marketing, sales, logistics - all transferred into my online retail business.
Sure, but you aren't an expert in any of those.
Of course cross domain knowledge helps but I think you are missing the point of the 10000 hour rule. It was a rule to make you an expert, not a jack of all trades.