It is a great workout to do once or twice per week max to go in between your regularly scheduled workouts, on rest days. (physiqueauthority.com)
Don't let a property stay vacant more than a few weeks max and in a hot market not more than a week. (northwestatlantaproperties.com)
I usually use this set up for around 4 - 6 weeks max then change things up or take a DELOAD week by cutting back the total volume (as you can see I added in for Week 5). (onnit.com)