One trick I love to recommend to people in Noble's Club games, especially with leaders that are IND (although it obviously doesn't always come up on every single map), is that building enough courthouses and than Forbidden Palace on your
main continent, and moving the (relatively very cheap in terms of
cost) actual Palace building to the new continent, gives you a relatively affordable palace on both continents. Having a palace on a continent (actual Palace, Forbidden Palace national wonder, or Versailles world wonder) prevents Colonial Maintenance, and of course gives you a relatively nearby palace building to keep distance maintenance in check.