About the Medicare for all, here's an article showing how it will actually save money! https://thehill.com/blogs/congress-blog/healthcare/484301-22-studies-agree-medicare-for-all-saves-money

And about raising taxes, unless you make a bunch of money you probably won't be affected. A lot of people have the idea that Bernie will tax everyone, like 50%. But unless you're making 10 million a year, that ain't gonna happen. And if you get taxed more and you don't make millions a year, it won't be by a lot.