Let's say I got a brand new website (1 month) which has about 500k sub pages. Let's assume they are all product pages or similar so they all rank on very different long tail keywords. All pages are indexed in google but the page gets sandboxed (or algorithm slapped or however you would call it) because it ranks on too many pages and drives brings too much traffic without any proper links/authority/seo done. Some questions I'd have: How can one make a page like that strong enough so it gets out of the "sandbox"? Would it be enough to make the startpage strong and authoritative so it passed that authority down to also rank the sub pages? If that's not enough and I need to build links for the sub pages as well, how many of the subpages do I need to target? Like 20%, 50%, 80%? Is it necessary to have a link to every subpage from the startpage, maybe via a sitemap with several subpages to actually pass the authority of the root domain down to the subpages or will it go there as long as the site is indexed by google via an xml sitemap? Would it better to start slowly with such a page with maybe some 5k sub pages and later add more when the site has more authority? Regarding link building: Should I just throw some High-PR links at it or should I work more with web2.0? Is there any paid "I cover everything important" SEO services out there which can help me building an authority site like the one I need to rank me on these different sub pages by slowly building a natural link profile? Not sure if that's allowed by the forum rules but any shameless plugs by people who believe they can seriously help me here would be appreciated. I would be interested in a long term partnership with a white-hatted focus. I hope the questions are not to newbeeish but I could not find them answered anywhere in the forums. Any help is greatly appreciated.