Aquamarine Boat Rival Skip

Buy 2 extra Repels (likely shop before boat)
Repel somewhere before getting on the boat
Fight the Fisherman and the Gentleman, skip the lass and Rival
Need to wear out the repel in Captain's room
Hit L25 after the Gentleman

Timings:
Use a Repel +6.5s
Waste steps +17s
Fight Fisherman +57s
Fight Gentleman +60s
Skip Lass -42s
Skip X Attack -3.5s
Skip Rival -117s

Total: -22s

Could Rare Candy to L24 on the Repel menu and fight the Gentleman only, but this means you can only catch L29 to L31, and L29 requires fighting the optional (this only works for E4R2)

Skip Fisherman -57s
Use Rare Candy +5s

Total: -74s

Money: 9660

18 Repels = 6300
6 Moomoo Milks = 3000