When Granpa Raines mentions that coyotes loves avocados, it is true. Avocados are oil-rich and the coats of the coyotes who eats them ends up being thick and shiny.
Alex is reading Action Comics #1 in the opening. A pristine copy was auctioned back in 2014 for a record $3,207,852 making it the most expensive comic book ever sold.
The old wagon on the Raines lawn looks like one from Little House on the Prairie.