foundations- a good foundation is by makeup forever hd foundation you cant get that at sephora its [$40] http://www.sephora.com/ another good foundations is the studio sculpt spf 15 foundation by mac you can get it at http://www.maccosmetics.com/  its a creamy luxurios foundation it provides midium to high coverege its [$26]
If your in a tight budget i recommend revelon color stay that a good foundation that gives you a good coverage, but if you have oily skin you might want to skip this product. Another good foundation is covergirl clan liquid makeup this product gives you a very good coverege without covering to thickly this foundation controls oily skin. You can actually get this products at any drug store.

brushes- mac cosmetics actually has very good brushes they are a little expensive for people that dont have the money but there is a website called http://www.coastalscents.com/  you can actually get high quality brushes there are real cheap money wise. Coastal scents brushes are very good quality brushes they work almost the same as the mac brushes and their price range is between $1.00 to atleast $15.00 no more then that.

eyeshadows- mac has very cute shadows they are very pigminted. Also you can get shadow palletes at coastal scent 88 color palletes you can build your own little pallets and its a very sweet deal and they are not expensive at all if you are in a tight budget nyx has good quality eyeshadows as well they are very pigmented http://www.nyxcosmetics.com/