Ability to travel without shifting focus. For example, say Bob and Eliza are at home. You want to send Bob to the gym, but you don't need/want to watch him work out. You would rather stay home with Eliza during that time. Currently, you would have to first go with Bob to the gym (one loading screen), then immediately…
Here's a suggestion. Create a way to copy/paste makeup/hair/outfits from one outfit category to another. If I want my Sim's hot weather makeup to be the same as her everyday makeup, I have to recreate the look in that outfit category. It is time-consuming, and a copy/paste type system would be really convenient.