Bunk Beds

i am 14 and my sister is only 11. and we have to share a room cause my mom is pregnant. so me and my sister have to share a room and its kind of small and i need my privacy so my sister was planning on getting bunk beds but idk should we………………
and where is a good place to get them at! and what can i do to get my privacy.
please help me

you can get bunk beds at walmart,,,and to have your own privacy take the bottom of the bunk bed and but sheets all around it.

Re-designing my son's room?