Help Me Get A Bunk Bed

My name is Samaya, I live with my mother and four siblings, and I share a room with my 19 year old brother. The room is small and we have very little room to walk or store things because our beds take up so much space. We don’t have much money and can’t afford the 300 dollars minimum it takes to get a bunk. With a bunk bed we can finally get the space organized and have room to live and thrive. Any and all help is appreciated.