I refuse to do laundry on vacation, but I do pack by the day like you. I love my packing folders and can't imagine packing without them. I put complete outfits on hangers, arrange them in the opposite order I plan to wear them and then fold them compactly into the packing folder, with an extra outfit on bottom, the eighth day's outfit next, seventh day's outfit next, and so on, with the first day's outfit winding up on top. If all I'm packing is shorts and tshirts, I can usually squish 9 days worth of clothes into one 18" packing folder. They're folded neatly, but squished flat and secured with the velcro flaps. Those flaps just seem to keep stretching and the packing folders can hold a ton of clothes. As long as the velcro flaps will close, they'll hold. I then roll my underwear, socks, and bras and place them in two small packing cubes. If the weather is going to be cool, I have to use two packing folders, but still pack my clothes in the opposite order I plan on wearing them. For hoodies or fleeces, I roll them and use zip lock bags, squishing all the air out of them, to make them as flat as possible.