I see 10 or 11 slices here which means you are at 9-10% anchor text ratios. WAY WAY too high. Especially if you're using money terms in your anchors. I would diversify a bit if I was you.This is my anchor text from Majestic SEO.View attachment 53792
To share the top keyword, it have 520,000 results when i googled "Keyword". This is for a local search engine (I won't reveal my country for obvious reasons) and not for google.com .SO it should be much much much easier but this is FREAKING TOUGH!
What do you mean by 301 redirect? A whole domain? Just links?301 redirects seems to always work from moving page 2 to page 1.