What 14 Years of Drive-Thru Installs Actually Taught Me

14 years in the field teaches you things no certification ever could. From a McDonald's group that challenged us to beat a 10-hour install — and we did it in 3.5 — to keeping the right parts on the shelf so a client never waits days for a repair, here's what I've actually learned about this industry and what separates good installers from great ones.