So I'm doing a mixture of white hat and black hat SEO. My linking structure contains many blogs and web2.0 at the top tier all hand made with lots of hand written unique content. The sites linking to these ones are the same: handmade/handwritten/lots of keyword rich content. The sites linking to the 2nd tier are all from Scrapebox/SeNukeX etc so not very high quality but fairly keyword targeted. My question is: When I'm creating these top tier Web2.0 sites rich in content and handmade, shall I immedietly start dropping my money site links in or shall I wait until the whole structure is complete and then put the links in? Thanks!