There are lot of guides. Just google it even there official GSA forum has lot of informative information. Web 2.0 works fine and always safe to use for tier 1. You can now build web 2.0s with GSA Search engine ranker combine with SEREngines. Combine SEREngines with GSA SER it give more power. Go for tiered linking stratergy to pass the backlinking authority. T1 - Web 2.0 + Contextuals with Low out bound links T2 - Web 2.0 + Do follow blast T3 - Do follow blast T4 - Kitchen sink - yes you heard it right. Blast almost all except exploits. IF it's a hard competition niche you can throw few PBNs. This is one of my main off page seo strategy i go with GSA SER and web2.0. Also always make sure to throw good human readable contents all the time. It saves your ass big time. PLR articles such as big search content + spin rewriter may save some bugs or I need article is way cheaper for SPUN content.