Cannabis is a good example:
{Specific Product/Service} + {Mass Appeal Keyword} = x,xxx - xx,xxx
CannabisConsulting.com $2,550
CannabisVille.com $3,006
CannabisMedicinal.com $29,116
{Specific Product/Service} + {Geo} = xxx - appeal is narrow
CannibisNewYork.com $415
CannabisVegas.com $295...