The problem with frugal blogs (in general) is they do one or more of the following; push penny pinching 24/7, "if you aren't eating lentils everyday and living in a cardboard box you're fucking up," they are too condescending, or they are only applicable to the already rich/privileged, like Mitt Romney's "just borrow 10s of thousands of dollars from your parents to start a business, easy!," and are out of touch with they "everyday man," or fail to recognize that people are different than them.
I think I could write a blog that is more accessible, I have experience being both very high income and very low income. It's such a saturated market though I doubt I'd get any readers. Maybe I'll do it just for myself some day to formulate some of the thoughts I have on the topic.