I always try to take at least 2 days off 3 at the most. I lift weights 3 days and cardio 4 or 5 depending how many days I take off. With the weights I do lighter weights with 15 reps for 3 sets. I am still trying to build my cardio up so I alternate between running and fast walking on a treadmill for cardio. Not much but seems to work for the time I have.