Buying three months at a time reduces the cost to $21.65 a month or six months for $14.99 a month - but both of these multiple month options are payable in advance, in full.
Yahoo Personals also practices automatic billing, which means the membership term you pay for initially will be automatically billed at completion unless you inform Yahoo Personals in advance to cancel.
There were two things that I found unusual about Yahoo Personals, and both were more annoying than anything else.
Every time someone visits your profile during the first few weeks after you sign up, Yahoo Personals will send you a note saying you have mail.
It is a community-based area of Yahoo where users ask questions and other Yahoo users can submit their answers.