> Double-check the rules for working under an ESTA. This cannot be emphasized too strongly. Never give a border guard the idea that you’re going to do somethi

> Double-check the rules for working under an ESTA. This cannot be emphasized too strongly. Never give a border guard the idea that you’re going to do something your paperwork doesn’t permit. Don’t hint that money might be earned unless you have a work permit. Don’t let anything expire, and be very careful when traveling with renew soon documents. Err on the side of caution with all interactions. All of these issues are not new and not us-specific. And check how the laws of the country you’re trying to enter differ from your own. For example, a drunk driving conviction is quite serious in Canada but I don’t think the US cares?