Don't underestimated the difficulties and pitfalls.
Hi Rawrawr, and Welcome to the Great American Roadtrip Forum.
Thank you for adding your thoughts to this thread, although I have to add that anecdotal experiences are not necessarily something to rely on. Some of us have been down this path, and have experienced all the roadblocks and difficulties, which are not as easily overcome as you seem to think.. We have experienced the pitfalls, jumped the hurdles, and even then there were constantly more obstacles to overcome.
I'm not sure why you think an international driver's licence is essemtial. Many European driver's licences can be written in English, and as such do not require an international licence - which after all, is only a translation of the local licence.
Lifey