SEO: Does Using Same IP Matter?

[razz5900]

Creating both blog and forum comments is one of my own strengths. That being said, I have several questions to ask:

#1, Client A hires me to visit 150 blogs that relate to his website theme. In total that is 150 blog websites, which = 150 total comments. Each blog comment is to consist of: clients URL and anchor text. If I use the same IP address to post these comments, would client A be penalized by the search engines?


#2, If no to question #1, is it best to spread the work over a time period?

#3, In relationship to IP's- is Google basing this on not who links for you but rather who is linking?
Meaning: If I post a blog comment on 3 websites sharing the same IP- google would not penalize the client but would rather just give ranking to the best site listed?