How to use "substantial" in a sentence

This is the only substantial dispute

He had plowed some of his substantial earnings into Las Vegas real estate, parts of two hotels, an automobile dealership, and a slot-machine casino downtown

Her mother was shattered, couldn't bear to view the body, though the daughter hadn't suffered substantial physical damage, the way Danny did

A silencer-equipped pistol, lock-release gun, truth serums - their apparatus indicated that these guys were part of a sophisticated outfit with substantial resources.