Which keywords to use for tiered linking?

[Julzwriter]

I am trying to build backlinks to my site through tiered linking.
I am not sure which keywords to use for my web 2.0 sites. I think using the
same keywords as I use on my main site will be creating competition for myself,
So which keywords should I use for my web 2.0 sites? or should I just
use the same keywords I use for my money site?

 

[Alex_smith]

The keywords which you have targeted to gain ranking. Long tail keywords are best to use for the same.

 

[Alex Thompson]

I am trying to build backlinks to my site through tiered linking.
I am not sure which keywords to use. I think using the same keywords as I use on my main site will be creating competition for myself.