Proxies for linkbuilding

Hi,

I'm planning to build a lot of backlinks on expired Tumblr blogs and want to register each blog on a different proxy.
For that I'm wondering how many of you do it. I mean I only need the proxy for at least 1 day to register the blog and build the backlink so getting a proxy for a whole month is not really necessary.

Is it done by free proxies or TOR network or something else?

Anyone some idea??

jacks009 said:

yes proxy use link building different proxy then link building technique use.

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Yes I understand that I need different proxies for link building. But I'm not sure how I should use them. I'm not going to buy a proxy for 1 month and then going to use it only for 1 Tumblr blog. I need to know if there is something else for that..