If your kids are no longer in a crib, what are they sleeping in now?

KC

Trying to decide which type of bed to do for my toddler now. We have the conversion to make his crib a toddler bed but we'll hopefully need the crib in June for another baby. I could buy another crib but I'm not sure if it's worth it or if I should just do a mattress on the floor or a twin bedframe? What are your kiddos sleeping in?