I'm proud to present the following advanced strategy, also created except bet 1X if dealer card matches a rank in your hand.
I bet you haven't read Elliot Frome's strategy, but it is very close to the exceptions you listed. (Google Elliot Frome Expert Four Card Poker.
One of the trickier casino games, our four card poker strategy guide discusses some popular strategies for playing 4 card poker in a casino. Three Card Poker by the Wizard of Odds