i have a blog which is 1.5 months old i created another blog 15-20 days ago in same niche 1. shud i give a site wide link or a contextual link ? other blog is on a diff c class ip.. 2. how powerful are guest posts on blogs that are not related to ur niche.. i mean if i have a real estate blog and i do guest posts on a blog in a tech niche ? will it be considered a powerful link given the fact that guest post comes from a pr 2-4 domain ? dont tell me a link is a link 3. UAW and AR to money site i.e. is 1.5-2 month old is a gud idea?