Some 100 million couples are expected to benefit from the relaxation of the rule, but of the more than 50,000 people responding to an Internet poll posted by a journalist on Weibo, China's equivalent of Twitter, only 20% said they both wanted, and could afford, a second child. It's a sentiment shared by Zhou Juan, a 28-year-old vegetable seller. "My kid is only three and I have spent at least 80,000 yuan raising her." Read more Five things to know Too little, too late?