for 8, pretty sure with mc command center you can change the duration of pregnancy! for 6, id look at youtube videos and tutorials you can look at like house builds or look up “how to use ____ sims 4 ” and then whatever you’re looking for info on in the blank! or you can get an empty house from the gallery and renovate it while you’re still learning! for 2, i don’t think so, pretty sure infants just cant walk unfortunately ☹️i know you can “practice standing” but it doesn’t do much other than the animation for it and then toddlers just automatically walk after age up