Health insurance for the "single" folk with no W2

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So I took the plunge at 45 yrs old and said bye to my W2 job. I've been on their Anthem plan for awhile. It looks like I can get a fairly decent plan for myself through Anthem (low deductible) for $450ish/mo.

I'm still shopping around, but any cost estimates and/or recommendations for those only insurance themself?

Thanks in advance