I am not even sure that Trump plans at this point to run for reelection.
(Chuckle) Yeah, winning the presidency is actually going to cost him money since all his business/investment activities will have to be put into a blind trust per Federal conflict of interest laws. Annual presidential salary & benefits are $450K.
http://usgovinfo.about.com/od/thepresidentandcabinet/a/presidentialpay.htm
“Gee, folks. I’d really like to run for reelection but...I’m loosing too much money!”