Use packing cubes! I bought a set (probably off Amazon) awhile ago and they are the best. I use one for my tops, one for my bottoms, one for socks and undergarments, and one for toiletries that won’t fit in my makeup case (hair brush, makeup wipes, etc.) Don’t take a long time trying to decide which ones to get, they basically are all the same. Just pick a color and go (travel)!