The 23-year-old claims using the website, called WantKidsNow.com, is no different to people going out and sleeping with someone they met in a club.
She told The Sun: "People will think I'm promoting unprotected sex so women can get pregnant, bag themselves a council house and have a life on benefits.
"But it's really no different to what many have one nights stands for on Saturday night.
"Parents gain more points in many councils' scoring systems so having a child definitely helps."
Meanwhile the mum-of-three said last night that she will reveal baby daughter Grace's paternity by Christmas card.
Josie claims Grace's father could be one of three men, so she will send the results of a DNA test to each of them inside a festive card.
She said: "How to tell three men has been a really hard decision but, as it's Christmas, I thought it would be a really nice surprise for Grace's dad to find out on Christmas Day.
"I have arranged for one of my friends to put cards through all three of their front doors late Christmas eve.
"I feel that who ever the father is, he should be pleased that he has such a beautiful daughter with me."