(from your profile): "Live fast. Die young. Don't give HN an email."
I like the "Live fast", not so much the "Die young", but why not "give HN an email"?
It's a reminder not to grow too attached to the account and that all things are ephemeral.
Of course, these things aren't exclusive to the cheap plans, but I'd encourage you to compare your employer's plans to some of the marketplace ones.
Early retirement is absolutely attainable. To hear stories ( of questionable provenance), visit FIRE forums. I can personally attest to knowing people that have done it— married people with kids. It takes nowhere near the figure you’ve cited. Listen to retirement podcasts, you will hear from plenty of people that have done it.
To get real, actionable advice join the Bogleheads community. Good luck.
I hate working. The sooner I don't have to anymore the better.