Graf, one thing you have to remember and prepare for, is the day that G will delete your website. I too quit the 8-5 rat race about 20 years ago, and it's just not worth the stress that has taken a heavy toll on my health. Every day checking to see how many more webpages G has deleted from their index and trashed into supplemental hell. Or worse, wondering not if but WHEN G will delete my entire site from their index.

You must be prepared for these things and unless you have a niche that will not rely on SE traffic, I wouldn't do it. If you're going to be doing something and in such a way that you'll get the bulk of your business from sources other than G, then it may be worth wild.

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God Bless
-Clint