Bribery blackmail and coercion is a problem in commas and it always will be. Humans are notoriously crooked even the best of us. If campaign contributions were donated to a fund that was accessible by both parties and so therefore equal whoever spent their money wisely would have an advantage . Likewise members of Congress could at least start the road without being beholden to corporations or billionaires.
Additionally Congress should be allowed to live in their own home in their own state and have meetings through Zoom. Biweekly or monthly meetings could be in person in DC . This policy would benefit trifold at least:
It would obviously save personal finance for members
Members not as easily accessible to lobbyists and their asking of favors.
Members able to focus fully on tasks at hand instead of rushing a vote to not miss a plane ride home for Thanksgiving.