So me and my boyfriend has a single door tiny closet when we moved in. That wouldn’t cut it. We also had a long knee wall with a sloped ceiling so putting a normal closet in wouldn’t have worked. Our bedroom was huge so we were able to sacrifice a portion of it and I am just in love with our new walk through closet. We used an ikea system which only cost a few hundred dollars rather than spending thousands on a custom. Installing mirror barn doors eventually but here’s our progress. We used the regular closet for long Dresses and suits