Great article. But how long is your trip to do all this? How much money are you saving vs time in transit? Seems like too many moving parts (bus, train, car) to get to another airport. I'm always looking for useful travel hacks.
Interesting article on best times to book for flights: https://www.cheapair.com/blog/the-cheapest-flights-are-found-54-days-out-with-one-big-caveat/