Caleb Downing 07.05.20 Dave Propri SDI is really worth the time and worth the investment. I don’t know where you’d get this caliber of education and knowledge in the package you can get it in at SDI. RELATED STORIES Drones Best Beginner Drones – Entry Level Quality and Pricing read more Firearms Tech The One That Surprised Me Most Entering the Firearms World read more Business Student Life Tips for Getting the Most Out of Your Study Breaks read more