Happy Valentine's Day.

If you are looking for love online, do your homework. According to the Better Business Bureau, complaints against matchmaking and online dating services are on the rise.

Many people said they were matched with singles who did not meet their specified wishes, including whether they were smokers, educated, religious, lived too far away or, in some cases, were still married.

BBB recommends the following tips when considering a matchmaking site:

If you've just signed up for a matchmaking site and you suddenly have three people contacting you before you've even put up a profile or picture, reconsider joining.

Ask yourself if you've been on for a reasonable amount of time to actually have real people see your profile and decide to contact you. read more