Silent Kitty ...Rotational play is a bit different ..so far in the sims 4 i have not used the "save as" feature..but since rotational play presents a few different aspects ..i think it is smart to do it.....i am reaching the point where my first couple will decide to get married ...but now i am thinking it would be fun for them to both have parents ....I think their parents would be elderly so i totally get where you are coming from even through i have not invested the time in these characters that you have. I am feeling an attachment to this group of sims ...ten single sims ..five future couples ...this is definitely more fun then playing a single family...it opens lots of doors as to what can happen for each couple.