Variety may be the spice of life but it is also vitally important to your training regimen. The TACOST Training Program, designed by Jeff Gonzales of TRICON, is simple way to build a variety of proven drills into your range time.
TACOST is a deck of cards, each with a specific drill listed on the card. The drills are broken into four groups: marksmanship, speed, baseline, and dry fire. The idea is that the shooter can pull as many cards as they need for a range trip, gather the gear needed for the drills on the cards, and then execute the drills on the range. The playing card form factor makes TACOST very portable and the drills very easy to vary. You can take as few or as many cards as you wish.
Check out the TACOST Training Program at TRICON.