Someimes theres a person who wants a item made, with items you can't find. So you can do 2 things and still get to the next level!!!
if your at LOWER than 4 stars then KICK EM' OUT!!
if your at 4 star then leave em' don't do ANYTHING!!!
SECRET!! SECRET!! SECRET!! SECRET!! SECRET!! SECRET!!
Ok, sometimes you walk in a sims house and see an item you want, right Well, you know how you can change the wallpaper, florr, etc. in their houses WEll, if you see an item you want, do thaat then once your doing that, push b to pick up an item, and you have it!! Sometimes if you don't have the blueprint for it, it won't work...but then you can wait until you GET the blueprint! :)