Depends on the size, what you want to put up, who's putting it up for you, and who owns it
A billboard approximately costs from $700 to $2,500 per month
depends where you buy it from, generally 10,000 dollars
It entirely depends on location, anticipated traffic, quality of display and artwork for the ad--easier if you have it ready to print. Your best bet would be to find a billboard similar to what you'd...
a full page 4-color ad in GQ costs $82,507 per issue if you order it for 12 issues That would be about $980k per year