I have done this several times. Check the weather, and plan outfits well and with each person allowed 2 carryons, we have not had problems. On long trips, we plan for 1 laundry usage midweek. I have a friend who packed a large box and shipped it UPS for about 10.00 to the hotel, and just had carryons, then shipped it back when they were done too. A bit extreme, but it worked well for them and allowed as much souvenier purchases as they wanted.
Drew