$15 dollars for a "useful" service is nothing. The average person spends that "everyday" for lunch. The companies offering these services have to charge enough

$15 dollars for a "useful" service is nothing. The average person spends that "everyday" for lunch. The companies offering these services have to charge enough to pay for the servers, developers, tech support, etc.. and yes, also to make a profit, it is a business after all ;)