Hello :)
These are some links to guides to the expansion packs and game packs. They explain about the features and activities that come with the packs, as well as pictures of the build/buy mode items and the CAS items. They may help you to decide which pack you would like to have for your game.
Expansion Packs
http://simsvip.com/sims-4-get-to-work-game-guide/
http://simsvip.com/sims-4-get-together-guide/
https://simsvip.com/sims-4-city-living-guide/
Game packs.
http://simsvip.com/the-sims-4-outdoor-retreat-guide/
http://simsvip.com/the-sims-4-spa-day-game-guide/
http://simsvip.com/sims-4-dine-out-guide/
https://simsvip.com/sims-4-vampires-guide/
https://simsvip.com/sims-4-parenthood-guide/
