I've been out of the SEO game for sometime and mainly focused on ppc for 6 years. I'm trying to rank a popular law firm in a very competitive area. I now have accounts for avvo, findlaw, justia, lawyers and nolo. With these sites I'm ordering 5 star content from textbroker and the good thing is I do open orders, so each piece of content has it's own style. Now that I created over 40 tier 1 links (blogs on lawyers.com, company profiles, guest blogs on martindale, press release and other great legal directory niche sites, quality web 2.0 sites.) What would be best advice on how to find good solid tier 2 links? I'm finding odd old skool php directory links from ahrefs on competitors who rank but not sure if I should use those as tier 1 or tier 2. I have somewhat of an understanding of with tier 2 links (PBN, social bookmarking, social signals) any other suggestions. Thanks in advance.