<p>Simply answer is: No, you can only earn reputation points.</p>

<p>A few posts on MSO that are relevant:<br>
<a href="http://meta.stackexchange.com/questions/69537/how-to-buy-rep-only-for-use-as-a-bounty">http://meta.stackexchange.com/questions/69537/how-to-buy-rep-only-for-use-as-a-bounty</a><br>
<a href="http://meta.stackexchange.com/questions/25615/offering-actual-money-as-a-bounty">http://meta.stackexchange.com/questions/25615/offering-actual-money-as-a-bounty</a><br>
<a href="http://meta.stackexchange.com/questions/57850/pay-money-to-so-for-quick-support">http://meta.stackexchange.com/questions/57850/pay-money-to-so-for-quick-support</a></p>

<p>And note that this is Meta <strong>Super User</strong>, not Meta Stack Overflow.</p>