Where you put your money matters. We can't completely avoid big box stores for food but we can at least not buy certain brands like Frito lay or nestle products. Buying from charity thrift stores (not goodwill or salvation army). Not buying anything on strike days. Lots of ways to do your part!
Botanicals
Origins is def the best place to start. However, with each game having a new protagonist and about a decade in-between the games you could start anywhere. If you end up enjoying one give the others a shot.
Make sure you get a hotdog from one of the food trucks downtown and try going to grocery stores if you want to save money
It is spreading, not many states will be safe very soon. Not to mention most people don't have the ability to move. It's a nice thought, tho
Why be a patron to bad business practice?
Looks like the cheapskates found your post.
You are absolutely correct and I wish people would ally against corporations more. At the moment there is a good sized movement against McDonald's and Starbucks, but there are still enough people buying from them that they're "ok."
If you haven't read up on setting boundaries now is a good time. Practice setting them and remember that people will not like it sometimes, but that's okay. Change is hard sometimes, but it sounds like you're ready for one. Best of luck to you!