Everything except for term limits— those will lead to unintended consequences giving vastly more power to the deep state. For a start, a Better solution would be to cut the power of the lobbyists ( so many ways to do this!), stop lucrative “consulting” gigs snd book / Netflix- type gigs for retiring officials, snd stop insider trading for elected and retired officials —and extend these rules to all family members.
Also, eliminate funding for all lobbying by government agencies. Clean up loopholes for ways the non profit “foundations” that are enriching their founders snd controlling policy, like Gates snd Clinton’s snd Soros.