A packed sportsbook on an NFL Sunday; prime time for casual sports bettors to place their wagers. Sports betting in the United States has exploded in popularity and is now legal in 39 states plus D.C.

Chase Bierenkoven is a gearhead and writer based in Denver, Colorado. As the family lore goes, Chase's first word was "truck." Cars have been a problem ever since. By 16, Chase was spending his ...