For 50% off I'd say it's totally worth it. It's not bad, I just wish they had balanced the difficulty and the time needed for sims to graduate better. Know that taking a degree in TS4 takes a very long time, so you might want to disable ageing while at Uni or put lifespan to long.
Moschino is alright. It comes with very little clothing options for a pack about a clothing brand, but it does have some nice buy/build pieces and ok gameplay (given they they have fixed the bugs for the freelancer career idk). If you also get it on sale so much the better.