Third parties in the presidential campaign only allow people to vote in a non tactical way. If they actually want to do anything they should start on square one which is to get a single candidate into congress.

The strategy for presidential campaigns should always be to run, get the message across, watch polling, withdraw, endorse until they are big enough. When big enough then open up coalition talks and affect policy by promoting voter reform and couple of key policies.

Doing just the presidency is good for publicity but incredibly inadequate.