(CNN) - Ron Paul's campaign exceeded expectations this weekend, bringing in more than $1.3 million in its latest "money bomb" ahead of the South Carolina primary.
The Republican presidential candidate had set a goal of $1 million for the two-day, online fundraising marathon and now plans to extend the event through the week.
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Contributors are allowed to donate up to the legal maximum of $2,500 to Paul's website, where a real-time tracker displays the amount of money as it comes in, as well as donor names.
His famous fundraising tactic in part helped the Texas congressman take in $13 million in the fourth quarter, far more than the $8 million he raised in the previous quarter.
But his numbers pale in comparison to Republican presidential frontrunner Mitt Romney, who reported raising $24 million in the last three months.
An American Research Group poll released Friday showed 20% of likely South Carolina GOP primary voters backing Paul, placing him third behind former Massachusetts Gov. Mitt Romney and former House Speaker Newt Gingrich.
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I trust no politician, but I'm voting for Ron Paul because the message is so crystal clear that if he does anything else, that too, will be crystal clear. All Ron Paul promises sounds really good to me, though I want him to say the actual words that he will repeal, by any means necessary, NDAA, Patriot Act, and everything else this current govt has done that is clearly illegal.