If you don't want to compromise between:
You can opt for a cabin bed! With this kind of bed, the transition to a larger bed will be done with education and fun. And above all at a lower cost!
Not only will this cabin bed be very comfortable to help your child get a good night's sleep, but during the day, they can develop their imagination and use it as a cabin during these play times (and of course a bed during nap time)!
A 2-in-1 cabin bed, economical and made in a short amount of time!