No Senator, Representative or President may serve consecutive terms. Tere will be no limit on the number of terms served for any of these offices.
This would ensure that no elected official would be able to use their incumbency to their advantage. Candidates that have already served after at least one term away from office, and would most likely have to go through another primary. Also gives the candidates on "off season" in which to raise funds, so that they spend the entirety of the time they are in office legislating or executing the law.