We are trying to strategize where best to invest SEO resources from this point out with a limited budget of time/money. Questions remain in our head like...
Do we need to do a comprehensive evaluation of inbound links and consider using the disavow tool? So far from what I've read it has not made much of a difference?
Is On-Page optimization "virtually" (not completely) dead since it the aspect of the algo that is the most easily manipulated? We have lots of pages of products so pages are coming and going on level 3 below. But our home page and department home pages have had not had significant updates in a few years. Does Google see this as stagnation and lower your rank?
Is link building also "virtually" dead due to further refinements of Panda and so only manual, careful, "real" link building works versus using reputable link building services?
The whole "build good, compelling content" is not an issue with us.
Has important of social signals grown in the past 5 months so now Facebook and Google + activity is carrying more weight?
Essentially, what seems to be the best bang for the buck for SEO these days?