You know the worst part of a game freezing? You did all that work for nothing and just gotta start over. So annoyed right now! I played for 2 hours! Speaking of which do you guys save while playing so...
My game freezes sometimes so I try to save whenever I remember to do so, especially after building or reaching a certain goal (promotion, milestone, giving birth,...)
Unfortunately I also had to redo some things because of a crash.
I sometimes forget the game doesn't save automatically when you load a lot. The sims 2 used to save when sims left home lot if I remember correctly.