Non resident CO tags are $351 for a cow elk or deer tag and $586 for a bull tag. Tons of leftover and over the counter tags available. If there is a tag for the unit, there are elk and deer there. If you are interested in Colorado, check out the Division of Wildlife website: www.wildlife.state.co.us
. Tons of information on there including maps of the over the counter units as well as success rates, etc for each unit.