I personally spent about 6 months of effort getting different things in order such as visas, international health insurance and reading through plan docs, tax setup, moving my personal and business residency to an ideal state before leaving, and having something like this would have saved me a lot of time and energy.
Check it out and let me know what you think! Thanks.
There's also community access and discounts available for people who buy the guide, so it's not only a how-to-guide.