HOW DO U GET MONEY

If anyone knows how to get money on My Little Baby plz help Im down to $7 and I wunna buy my baby stuff but I dont have enough so how do u get money?¿ PLEASE HELP!¡ And how do u know when to walk crawl or balance cuz b4 it said its not developed enough but now it say u cant do that now HELP

PLEASE HELP ME!¡ about My Little Baby, v1.2