The exact keyword match domain name business tanked years ago when google updated their algorithms. Back then, if you had the domain freepoker.com and someone googled for "free poker" your site would get a huge ranking boost due to the domain name.
this ain't an seo play, this is a 'build a side-business' play. A keyword rich domain carries a lot of weight when you're knocking on doors, cold calling, meeting folks at conferences..